is lcd screen bad for eyes in stock

47% of U.S. consumers admitted to being unable to last a day without their mobile devices in a 2014 study done by the Bank of America, demonstrating the increasing prevalence of mobile devices. Mobile devices use LCD screens which emit blue light and thus negatively affects not only vision but also overall health. Continual extended screen time mainly can impact your eyes in two major ways.

Digital Eye StrainWhen we look at a screen, our blink rate drops significantly, thus causing digital eye strain. Signs of digital eye strain include slightly blurry vision after using LCD screens for prolonged periods, headaches, dry or tired eyes.

Though digital eye strain is temporary, if left unaddressed, it can turn into a chronic problem.The easiest way to address digital eye strain is to blink more as blinking helps to keep eyes lubricated. Alternatively, try using the “20-20-20 Rule”. Every 20 minutes, stare at something at least 20 feet away for at least 20 seconds. This exercise engages your distance vision and allows the eyes to rest.

Blue Light ExposureBlue light is the highest energy wavelength of visible light. This energy is able to penetrate all the way to the back of the eye, through the eyes’ natural filters. The rapidly increasing amount of blue light exposure that we get each day through digital device use is causing permanent damage to our eyes. The effects of blue light are cumulative and can lead to eye diseases like macular degeneration.

Children are especially at risk due to their developing eyes. Protective pigments which help filter out some of this harmful blue light are not yet present. The risk is worsened further due to their increased exposure to LCD screens.

Studies have also shown that exposure to blue light before bedtime actually suppresses melatonin secretion and delays deep REM sleep significantly. Your health is thus adversely affected. This may lead to reduced cognitive abilities and the development of chronic illnesses in the long run.

Try minimising usage of LCD screens by reading print media or using E Ink displays instead. The InkCase, for example, allows users to read for prolonged periods with minimal power consumption by adding a secondary E Ink screen on the back of your phone.

I’m here to quell your health concerns: staring at a screen doesn’t damage your eyes. They won’t make you go blind, and your doctor isn’t going to worry about your health if he or she hears that you’re spending a lot of time in front of them. However, you might feel uncomfortable after a long time in front of a backlight, and you might even experience the symptoms of Computer Vision Syndrome, a fancy name for the eye strain and discomfort monitors can cause.

You could try adjusting your entire monitor and desk setup to remedy your pain, or you could use moistening eyedrops. The 20-20-20 rule also exists, which dictates that after 20 minutes of screen staring, you should stare at something 20 feet away for 20 seconds. Take a break. Those blue light-filtering glasses you bought could help, too, but doctors aren’t totally convinced. Science just doesn’t back up these glasses’ claims. That said, you could still wear them and hope for the best. They aren’t going to hurt you.

The television is one of the most common electronic in any household. Even in the age of digital media, people choose to spend their free time at home with their families watching television.

Some people are hooked to watching show after show, putting their eyes at risk. But screen type is not the only factor in eye-healthy screen time. It really depends on the TV brightness, room lighting, distance from the screen, and view time. How? Let’s break it down:

Whatever type of television you have, it emits light with most TVs emitting at least 50% of blue light. Because blue light is closer to UV rays on the light spectrum, it may have similar qualities to how it affects people. Blue light exposure has long been linked to health issues such as eye damage, vision loss, and insomnia. So, as the brightness of your TV is increases, the color, and contrast of the image decrease, causing eye strain.

Ambient lighting should be present in the room when watching TV. It’s not a good idea to watch TV in complete darkness -- yes we’re talking to you late-night viewers. The room’s brightness should be adequate and comparable to the television. Even in theaters, the lights are never completely off, just dimmed; that same rule should apply to your home.

The closer you go to the television, the more your eyes begin to strain. For both kids and adults, it is not necessary nor healthy to sit close to the screen. The basic rule is to sit at least five times as far away from the screen as it is wide. So, if your television is 32 inches wide, for example, the ideal viewing distance is 160 inches or around 13 feet.

The recommended viewing distance for televisions with 4K resolution is one and a half times the screen size. The recommended distance for HDTVs is three times the screen size of the TV. These guidelines also go for children, who may be the biggest culprits in non-safe viewing practices. If you must, rearrange your living room to space out the good seats away from the TV.

How does that translate into TV screen types? And what screen type should people use to better protect their eyes when watching various shows on television?

The most common display technologies are LED and LCD. The latest TV display technology is OLED, which is only available on high-end TVs. The pixels used to provide the display are the difference between LCD, LED, and OLED. When compared to LED backlight, OLED has a far higher resolution and delivers cleaner, better graphics.

An OLED (Organic Light-Emitting Diodes) screen consists of numerous pixels that emit its own light. Each pixel is made up of three separate RBG – red, blue, and green – OLEDs. OLEDs are true emissive components that produce light on their own and do not require a light source. Meaning they produce a light that’s more natural and less harsh on your eyes.

OLED TVs also provide excellent color and contrast because they do not use light from other sources to display colors, as LCD/LED TVs do. They also, on average, produce around 20% less blue light than LCD displays.

Both LCD and LED TVs work in similar ways to each other. The only difference between the two is the type of backlighting. A TV labeled as an LED utilizes LED illumination for the white backlighting instead of fluorescent (CFL) lamps.

While LED LCD TVs are more appealing than CFL LCDs, they cannot compete with OLED panels since the LCD/LED front panel is a liquid color display that is not self-emissive. Which is the biggest disadvantage of LCD/LEDs in terms of eyesight. Although they produce quality images, the color and contrast from these displays are due to their light sources, so they give off more brightness that can cause eye strain if not moderated.

To sum it up, OLED displays are better for your eyesight. They have more natural lighting, better color contrast, and a wider color range. However, no matter what type of display you have, you will hurt your eyesight if you don’t practice safe TV viewing.

With useful technologies like smart phones, tablets, television screens, and computer monitors becoming so integrated in everyday life, it can be hardnotto inadvertently stare at pixels for several hours every day. We all know that keeping our attention buried in blue light can make our eyes tired after a while, but can too much exposure cause significant problems? Keep reading to learn the effects of screen time on our eyes!

The primary culprit of blue light emissions comes from white LED lights — specifically, the LEDs which backlight the screens of our electronic devices. Light emitting diodes are specifically manufactured to put out narrow bands of colored light which mimics white light. Despite us not being able to see it, a lot of blue light tends to leak out of these handy illuminators, which is why they mess with our circadian rhythms.

Dr. Joseph LaPlaca — Founder and CEO of Ares Elite Sports Vision — explains that the eye’s cornea and lens are unable to block or reflect blue light, which may allow blue LED light to damage primary retinal cells in the eye.

“While there’s no strong scientific evidence that blue light from digital devices causes damage to your eyes, there is a growing concern that blue light can have long-term effects on our health,” Dr. LaPlaca said. “Blue light exposure may contribute to the destruction of the cells in the center of the retina and play a role in causing age-related macular degeneration, which can lead to vision loss.”

When you look at a screen, you might imagine your eyes aren’t doing as much work as when you’re doing things in the physical world. In fact, quite the opposite is true!

Digital eye strain is a growing problem and frequent eye complaint. Just like while reading a book, your eyes are constantly darting back and forth while looking at a screen, jumping between lines of text and clinging to colorful, flashy images. This is a recipe for quick ocular exhaustion!

Likewise, people tend to blink less when using computers and other attention-demanding gadgets. This is because blinking and thinking are related: when our minds are intently focused on something, we blink less often because we don’t want to miss anything. Adding to the problem is the constant brightness of screens which naturally demand fewer blinks to look at. These conditions add up to tired eyes, which need a break from concentration every once in a while.

It’s not just computer screens, either. Research has shown thatanyactivity performed up close for long periods of time can increase the likelihood of developing myopia. Hobbies such as reading, writing, knitting, drawing, and painting can increase your chances of nearsightedness, to name a few.

The solution? Spending plenty of time outdoors and away from screens has proven to be an effective countermeasure against myopia, especially with children and young people. So go out and get some sunshine…but don’t look at the sun!

Because almost all of us need to use digital devices for day-to-day tasks, many people look for ways to protect their tired retinas from prolonged exposure. After all, a lot of workers look at screens for a living!

One popular trick is known as the20-20-20 Rule. Simply put, for every20 minutesof screentime, focus on something20 feet awayfor20 seconds. Working in some blinks will also refresh your eyes with a hydrated tear film before returning to the screen! You may also want to consider using blue light blocking glasses, which are specially made to absorb those harmful wavelengths. Other eye-hacks like downloading blue light blocking plugins, using warm screen settings, and angling your device at least 30 degrees from your eyes can help even more.

Artificial eye drops (without phenylephrine—be sure to check) are another effective method used to combat eye strain. Many over-the-counter brands are harmless when used as needed for immediate comfort. However, keep in mind that most artificial tears are held in bottles which release more solution than your eye really needs. Unfortunately, this is a corporate tactic to exhaust your supply faster, forcing you to buy more.

Nanodropper providesintuitive adaptorswhich fit over eye drop bottles to reduce the amount of drops wasted, saving your wallet and optimizing your eye health at the same time. If you experience frequent eye strain from screens, a Nanodropper Adaptor will quickly pay for itself and save you time and money!

As we all know, AMOLED screen is a screen made of self-luminous organic materials. It does not require LCD backlight. When current passes through organic materials, pixels will emit light by themselves. Therefore, compared to LCD screens, AMOLED has more Pure black, higher contrast and other display advantages.

However, being more "ideal" also means paying more. The "eye-damaging" of AMOLED displays stems from external dissatisfaction with the current widespread adoption of PWM low-frequency dimming by AMOLED manufacturers. Here is a brief explanation of the PWM low frequency dimming technology.

All displays have a brightness adjustment function, but due to the differences in materials, the dimming technology is different. The current mainstream brightness adjustment technologies for smart phones are DC dimming and PWM dimming.

LCD screens rely on LED backlight panels to emit light. Therefore, in the field of smart phones, LCD screens mostly use DC dimming. This is a technology that directly adjusts the brightness of the two sides of the light-emitting component to adjust the brightness. The smaller the current, the lower the brightness.

DC dimming is relatively straightforward, but it also has a big disadvantage. Due to the different wavelengths of the three primary colors, DC dimming can cause unavoidable color casts under extremely low brightness conditions, such as early LCD displays with DC dimming , At low brightness, there will be obvious problems of discoloration.

The DC dimming does not seem to be suitable for AMOLED screens. AMOLED screen is a technology that relies on organic materials to emit light. The display quality is greatly related to the material, and the color difference between pixels will be very obvious.

In fact, even though this problem has not been solved very well, maybe it is the case that PWM dimming has become another option and has entered everyone"s sight.

Unlike DC dimming, which directly adjusts the current to control brightness, PWM dimming is more clever. Everyone knows that switching the light source will cause flicker. The faster the switching speed, the faster the flicker. When the frequency of switching the light source exceeds the limit of the human eye, the brightness of all pictures is superimposed in the human eye, so the frequency will affect the brightness of the screen. This technique is called PWM dimming (pulse width modulation).

The introduction of PWM dimming solves the problem of low-brightness color cast in the early days of AMOLED displays, and in fact further improves color stability.

However, with PWM dimming, even if the human eye cannot sense the picture change during the switching process, we will respond to this phenomenon. It is more likely to cause fatigue on the muscles on both sides of the eyes, thereby stimulating the refraction system to accelerate vision Ageing.

At present, Samsung ’s AMOLED screens use 250Hz low-frequency PWM dimming technology. When the screen brightness is lower, the possibility that the human eye can perceive becomes larger, and it is more likely to affect sensitive people.

AMOLED displays that use PWM low-frequency dimming for a long time do seem to affect vision, but do n’t think that LCD can survive. Even with DC dimming, it also has an irreversible effect on vision-cannot be ignored Blu-ray hazard.

Different from the AMOLED self-emission mode, the LCD screen uses a combination of backlight and filter imaging. In mainstream technology, many LCD screens will use blue LED backlight panels, which are covered with red, green and colorless three. This kind of filter forms three primary colors of RGB when blue light passes through these three filters.

Among them, the short-wave blue light emitted by the blue backlight board can cause harm to human eyes. Because short-wave light has a greater capacity density and is more penetrating, it will directly penetrate the lens to the retina, causing atrophy or death of retinal pigment epithelium cells.

From a technical point of view, whether it is an LCD or an AMOLED screen, the impact on vision is universal. As far as smartphones are concerned, it cannot be said that AMOLED screens are more eye-damaging than LCD screens.

Even if the LCD party held high the banner that PWM low-frequency dimming is harmful, it could not fully prove that AMOLED screens have an impact on vision, because everyone"s habits of using mobile phones are different, and the impact on everyone is different. There is no doubt that in the end, it is still the habits that need attention. For example, users should try to avoid watching the phone screen for a long time; reduce the viewing time of LCD and AMOLED low brightness in the dark environment.

It is common for individuals to work on their computers, use their cell phones, or even watch TV in the dark. They do so for a variety of reasons, which includes the addition of having a better experience. On the other hand, it is also common to be scolded for doing so, as some people tend to believe that it may harm one’s eyes. Yet, it is completely normal to go to a movie theater and not be criticized for watching a movie in the dark. So, what is the right thing to do? Should screen-use in the dark be limited during all situations or should we continue as is?

A frequently made observation with screen-use in the dark is that it can strain one’s eyes. This is indeed true for many individuals and has been proven scientifically. The Lighting Research Center (LRC) conducted a study where two groups of participants were told to watch a movie in different settings of lighting. One group viewed an hour of the film in the dark first and then another hour of the film with wall illumination. The other group did the same, but just in the opposite order. As a result, the researchers discovered that less screen-use in poorly lit settings resulted in less frequent blink rates, less eyestrain, and less fatigue [1]. Moreover, researchers in Thailand the studied the effects of screen exposure with infants during the evening and concluded that the more infants are exposed to media, the less they sleep afterwards [2].

However, these kinds of conditions are only temporary and have no severe effects on one’s eyes. It is true that your eyes can become dry when staring at a screen for far too long in the dark, but that is not an issue of the screen or setting. In fact, according to Dr. Garry Treacy of The Irish College of Ophthalmologists, partaking in such activities can strengthen your eyes as they get used to the setting. Hence, the problem lies with the act of staring at the screens, which is harmful to the health of your eyes. Staring for too long at anything, not just a screen, can make your eyes dry and sore [3]. So, as long as you allow your eyes to be moisturized by possibly blinking often or using eye drops, then your eyes should be all right. Overall, there are no actual long-term effects of screen-use in the dark, no matter what you are doing.

Eyes are bound to deteriorate with age as they start having a harder time differentiating between white and black, especially without much light [3]. So, for younger individuals, watching movies, playing video games, using cell phones, or even working on computers in the dark or in settings of low lighting is fine, if need be. However, as a precaution, try to avoid eyestrain by maintaining the moisture in your eyes and assuring that you have enough illumination for the activity.

Perhaps when you were growing up, your parents limited the amount of television you watched because they thought it would hurt your eyes. It’s only natural then that you warned your own children to not stare for hours on end at their computer monitors, tablets, and smartphones. So does staring at screens really harm one’s eyes or is this an age-old myth? According to experts, staring at computers, tablets, and smartphone screens will not permanently damage your eyesight. However, doing so can cause some bothersome side effects, most notably computer vision syndrome (also called digital eye strain).

About 83% of American adults use digital devices more than two hours a day, and 53.1% say they use two digital devices at the same time. Of course, digital technology exposure isn’t limited to adults. Children use computers and other digital devices for playing the latest games, watching videos, learning at school, or doing homework. In fact, 72% of Americans say their children look at computer or tablet screens more than two hours a day.

Many adults and children experience eye discomfort and vision problems from prolonged computer, tablet, e-reader, and cellphone use. The American Optometric Association says vision-related issues are the most prevalent type of health complaint among computer workers. Studies indicate 50-90% of computer users experience symptoms indicative of computer vision syndrome. Moreover, the level of discomfort appears to get worse the longer one stares at a screen.

1. Set up computer screens so they are in the correct position in relation to your eyes. The top of the screen should be in line with eye level and placed about 18-30 inches from where you’re sitting.

2. Tilt the screen back slightly – about 10 to 15 degrees depending on individual preference. Maintaining this downward angle reduces the stress on eye muscles and also helps prevent glares from ceiling lights.

3. Balance the brightness of the computer screen to that of the room. Adjust desk lamps and window blinds so light does not shine directly on the screen. Glare screens can also eliminate this problem.

5. To help prevent or alleviate existing dry eye, use a humidifier to add moisture to the air. Try lubricating eye drops before using the computer and throughout the day. Your eye doctor can recommend appropriate eye drops and may give you samples.

6. Take the time to blink when you are looking at the screen. Doing so cleanses the eyes with naturally therapeutic fluids. In addition, follow the20-20-20 rule by taking a 20-second break to view objects 20 feet away every 20 minutes.

Proper vision correction is crucial on the job, in particular for complex and/or repetitive computer tasks such as data entry. A study showed small uncorrected refractive errors hindered productivity by 20%, even when the computer user didn’t notice symptoms. And if a child cannot see a screen properly, this can impede learning and lead to behavioral and developmental issues.

The EyeQue VisionCheck enables you to take a series of pixel-powered tests to determine your refraction error. It is a safe, affordable, and fun way to test your eyes any time anywhere, as long as you have a smartphone and are connected to the Internet. While the VisionCheck is not for children, the EyeQue Insight is an at-home 20/20 vision screener for all ages. The Insight will provide instant results for single and dual eye performance and lets you know right when you or your children are not seeing clearly as they should. Use these handy devices to help determine if prolonged screen time is causing your discomfort or an undetected or under-corrected refractive error is playing a role.

There are many reasons to restrict the amount of time you spend in front of an electronic screen. For example, more hours sitting at a computer or smartphone means fewer hours of being physically active, and looking at a computer screen at night can stimulate the brain and make it difficult to fall asleep.

Here"s another reason to curb screen time: a problem called computer vision syndrome — an umbrella term for conditions that result from looking at a computer or smartphone screen. "It"s most prevalent with computers, and typically occurs when looking at a screen at arm"s length or closer," says Dr. Matthew Gardiner, an ophthalmologist with Harvard-affiliated Massachusetts Eye and Ear Infirmary.

One is dry eyes, caused by a lack of blinking. "When you look at a screen, you"re so involved that you forget to blink. The blink rate goes from 15 times a minute to five or seven times per minute," explains Dr. Gardiner. But you need to blink to re-establish the tear film on the eyes — a thin layer of liquid that protects the surface of the eye. If you don"t blink enough, your eyes dry out, causing blurry vision and discomfort.

The other main problem from staring at a screen too long is eyestrain. Dr. Gardiner says one possible cause of this is the brightness or glare that comes from the electronic screen. "Bright light sources can feel uncomfortable, especially if you have cataracts," Dr. Gardiner says. Eyestrain can also result from focusing up close on a screen without the proper eyeglass prescription. "Any time you strain to see something, maybe because you need reading glasses and have resisted getting them, you can get a headache. You can exhaust your eyes" ability to focus," says Dr. Gardiner.

Some research has even suggested that eyestrain may result from difficulty focusing on the text and images on computer screens in particular, since they"re made of pixels that create blurry edges.

Fortunately, eyestrain and dry eyes are easily treated. Dr. Gardiner recommends using artificial tears several times throughout the day. The artificial tears don"t have to be preservative-free. Another tip: remind yourself to blink from time to time.

If you have eyestrain and headaches after looking at the computer screen for long periods, make sure your eyeglass prescription is up to date. "The proper glasses can reduce eyestrain," says Dr. Gardiner. "The classic example is a person who never needed glasses, and then after age 45 has trouble seeing up close and is straining all day and getting headaches. Once the person gets reading glasses, the headaches are gone."

Dr. Gardiner"s best advice: take a break from electronic screens every 15 to 30 minutes, just for a minute. "Look away from the screen. Do something else, and refocus on a distant target."

Mom warned you not to sit too close to the TV when you were a kid. "In the past, screens were bombarded with energy. That emission back in the 1950s was too strong. In the "60s and "70s, they made safer TVs. Now with LCD or LED TVs, there"s nothing coming out of the screen to hurt you," says Dr. Matthew Gardiner, an ophthalmologist with Harvard-affiliated Massachusetts Eye and Ear Infirmary.

Watching TV for long periods won"t generally lead to computer vision syndrome, since you"re using your distance vision for viewing, not close-up vision, which risks eyestrain. However, sitting too close to a big-screen TV may cause neck strain. "You"ll only see what"s right in front of you, and end up looking around to see all aspects of the screen," says Dr. Gardiner.

Most of us view some type of electronic device for many hours each day. This includes TVs, smartphones, tablets, and gaming systems. But how does the blue light from those screens affect our health?

Blue light is part of the visible light spectrum – what the human eye can see. Vibrating within the 380 to 500 nanometer range, it has the shortest wavelength and highest energy.

About one-third of all visible light is considered blue light. Sunlight is the biggest source of blue light. Artificial sources of blue light include fluorescent light, LED TVs, computer monitors, smartphones, and tablet screens.

Blue light boosts alertness, helps memory and brain function, and elevates mood. It regulates your body"s natural wake and sleep cycle (circadian rhythm). Sunlight is also important for the growth and development of eyes and vision in children.

Blue light exposure from screens is small compared to the amount of exposure from the sun. However, there is concern about long-term effects of screen exposure from digital devices. This is especially true when it comes to too much screen time and screens too close to the eyes.

According to the Vision Council, 80% of American adults use digital devices more than two hours per day. Nearly 67% use two or more devices at the same time. Fifty-nine percent have symptoms of digital eye strain.

Since our eyes are not good at blocking blue light, nearly all visible blue light passes through the front of the eye (cornea and lens) and reaches the retina, the cells that convert light for the brain to process into images.

Constant exposure to blue light over time could damage retinal cells and cause vision problems such as age-related macular degeneration. It can also contribute to cataracts, eye cancer and growths on the clear covering over the white part of the eye. According to a vision study by the National Eye Institute, children are more at risk than adults because their eyes absorb more blue light from digital devices.

People also tend to blink less when using digital devices, which contributes to dry eye and eye strain. Other common signs of eye strain include headaches, blurred vision, and neck and shoulder pain. According to the Vision Council, 27% to 35% of Americans reported experiencing one of these symptoms after using digital devices.

Exposure to blue light before bedtime also can disrupt sleep patterns as it affects when our bodies create melatonin. Interruption of the circadian system plays a role in the development of type 2 diabetes, cardiovascular disease, cancer, sleep disorders, and cognitive dysfunctions.

While there are many studies on blue light glasses, there isn’t consensus. However, they can help protect eyes from eye strain caused by overexposure to blue light. If you spend a lot of time using digital devices and notice digital eye strain, blue light glasses may be helpful.

Wearing blue light glasses during the day can help people fall asleep, stay asleep, and have a more restful sleep. Generic lenses that filter blue light reduce negative effects by 10% to 23% without reducing quality. Computer glasses with yellow-tinted lenses may increase comfort when viewing digital devices for long periods of time.

Get blue-light filters for your smartphone, tablet, and computer screen. The filters prevent much of blue light from reaching your eyes without affecting the visibility of the display.

Control lighting and glare on your device screen. Set up a good working distance and posture for screen viewing. Confirm that even minor vision problems are properly corrected.

Many people worry that viewing a screen can damage their eyes. There is no evidence of this. In fact, because you can alter the size, brightness and contrast of the display, it can easier and more comfortable to see on a screen compared with looking at things on paper. However, some people find that looking at a screen for a long time is tiring, and may find wearing glasses for computer use helpful. Your optometrist will be able to advise you about this.

Use document holders for reading or reference materials. Place them close to the screen at the same distance from your eyes. This will enable your eyes to remain focused as they move between the screen and the documents.

Use a character size that is easy to see. The character size is an important factor since it determines the distance at which you prefer to view the monitor.

Many people have suddenly found themselves spending more time at home, relying on televisions, video games, computers, and phones to help pass the hours. Is all this screen time bad for our eye health?

Spending too many hours staring at a screen can cause eye strain. You tend to blink less while staring at the blue light from a screen, and the movement of the screen makes your eyes work harder to focus. We typically do not position the screen at an ideal distance or angle, which can cause added strain. All these issues add up and can lead to lasting effects on your vision, especially in children.

Dry and irritated eyes – You tend to blink less when staring at a screen and your eyes can become dry and irritated. You should avoid dry eye because it can impact the health of your eye and cause blurry vision.

Loss of focus flexibility – Typically, loss of focus flexibility happens as we age, but excessive screen time can impact our ability to adjust our eyes to see at all distances quickly.

Nearsightedness – Screen time can keep our kids indoors, which can have a long-term impact on eye health. In children, natural daylight is important to developing eyes. Studies have shown children who spend more time indoors are more likely to develop nearsightedness.

Retinal damage – Digital devices release blue light, which can reach the inner lining of the back of your eye (retina). Studies show that blue light can damage light-sensitive cells in the retina. This can lead to early age-related macular degeneration, which can lead to loss of eyesight. According to the American Optometric Association, children are more likely than adults to experience when exposed to this high-energy light.

In addition, too much screen time can have a major impact on your sleep. Research shows that the blue light alters the brain’s sleep rhythms when used close to bedtime. The brain thinks the screen light is daylight, and it can shift the body’s sleep rhythm.

Adjust lighting – Most screens have a brightness adjustment. Make sure that your screen isn’t brighter than the surrounding light, or your eyes will have to work harder to see. Adjust your room lighting or your screen lighting and increase the contrast on your screen to reduce eye strain.

Give your eyes a break – The American Ophthalmological Society recommends using the 20-20-20 rule to reduce eye strain. Take a break every 20 minutes by looking at an object 20 feet away for 20 seconds. This gives your eyes a break and allows them to refocus.

Keep eyes moist – Consider using artificial tears to lubricate your eyes when they feel dry. Not only can screen time dry your eyes out, but the heaters and air conditioners in your space can further dry your eyes out.

Keep your distance – Keep your screen about an arm’s length or 25 inches away from your eyes – your eyes work harder when the screen is close to your face. Also, the angle of the screen should have you looking slightly downward.

Reduce glare – It is important that you position the screen so that you do not produce a glare from sunlight or internal light. A glare can further aggravate the eye.

Use blue light filters – A blue light filter can decrease the amount of blue light displayed on your screen. By reducing this light, your eyes won’t feel as tired by the end of the day.

The effects of too much screen time on your eyes can be easily avoided if you take steps to reduce your eye discomfort. If you notice symptoms developing, you probably aren’t taking the proper precautions. If the simple tips mentioned don’t help you, you could potentially have an underlying eye problem, such as eye muscle imbalance or uncorrected vision, so talk to your primary care provider.

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OLEDs are true emissive components that produce light on their own and do not require a light source. Meaning they produce a light that"s more natural and less harsh on your eyes. OLED TVs also provide excellent color and contrast because they do not use light from other sources to display colors, as LCD/LED TVs do.

Turns out there is. According to research performed by Harvard Medical School, participants who used curved monitors reported experiencing less eye strain than subjects who used flat monitors. Blurred vision was also 4x less common in users of curved monitors than users of flat monitors.

OLED minimizes eye strain by eliminating flicker that can"t be detected by the naked eye and glare that disrupts your viewing experience. OLED self-emissive technology controls light and colors by pixel, it reproduces perfect blacks without halo effect.

Samsung Display"s AMOLED can block potentially harmful blue light by reducing the illumination of wavelengths between 415 to 455nm while increasing the illumination of safer wavelengths nearby.

LCD screens emit blue light and thus negatively affects not only vision but also overall health. Continual extended screen time mainly can impact your eyes in two major ways. When we look at a screen, our blink rate drops significantly, thus causing digital eye strain.

Is LED or LCD Better for the Eyes? An LED display provides the option to dim the backlight, along with other eye comfort features. Not only that, it provides a wider viewing angle without harming image quality. Therefore, an LED display is far better for your eyes than an LCD.

LCD screens also tend to offer better viewing angles and a wider field of view. LED monitors, on the other hand, can be the better option with general eye fatigue related to prolonged use and blue light, as they tend to offer a more robust dimming system.

OLEDs are true emissive components that produce light on their own and do not require a light source. Meaning they produce a light that"s more natural and less harsh on your eyes. OLED TVs also provide excellent color and contrast because they do not use light from other sources to display colors, as LCD/LED TVs do.

Most people don"t have to use CRT screens any more. Those are the old computer screens with low refresh rates that created a noticeable flicker that made your eyes feel uncomfortable. Today, screens typically offer refresh rates of 75Hz or more.

Besides the noted advantages of OLED display, some of the disadvantages include: Shorter lifetime then some other display technologies. This shorter lifetime is mainly due to the blue organic material but lifetime gets better all the time but is also due to moisture migration. Poor sunlight readability.

And OLEDs, for some of us, cause nausea, headaches, or worse. I explain why Apple"s OLED displays, that dim by flickering on and off rather than by voltage adjustments, trigger health issues here.

Many TVs automatically set their backlights to maximum to show HDR content. Turning the backlight down (or turning down OLED Light on an OLED TV), can impact how the TV displays HDR content.

So how does OLED stand out? OLED"s strengths when it comes to protecting viewers" eyes can be summarized by three points – low blue light emission, flicker elimination, and no discomfort glare.

Mobile devices use LCD screens which emit blue light and thus negatively affects not only vision but also overall health. Continual extended screen time mainly can impact your eyes in two major ways. When we look at a screen, our blink rate drops significantly, thus causing digital eye strain.

In short, yes. LED screens that are popular these days emit a great deal of blue light, which can be potentially harmful to the eyes. Therefore, watching too much TV, especially late at night, can suppress melatonin production that makes us ready for sleep.

So, while brightness itself is not a concern for eye health (unless you"re staring directly at the sun!) having your brightness set to a level that is more comfortable for your eyes, can also reduce the amount of blue light, which will protect your eyes from phototoxicity. References: [1] Camille Ryan.

The American Optometric Association recommends the 20/20/20 rule: look away from the screen every 20 minutes, focus on an object at least 20 feet away, for at least 20 seconds. In addition, children should walk away from the screen for at least 10 minutes every hour.

The study results revealed the display with lower brightness and higher contrast, such as OLED TV, could have a lower impact on visual fatigue, arousal, concentration, comfort, sleep disorder and circadian disruption than the other device.

OLED TVs have great picture quality; however, there are concerns about their long-term performance due to the possibility of permanent image retention, commonly referred to as burn-in. Our previous 20 hours per day burn-in test ran for a little over two years, and the OLED TV has permanent image retention.

Since its introduction, one major issue that has plagued the OLED technology is screen burn-in or image retention. An OLED TV that you"ve been using for a long time may start to retain static images displayed on the screen for hours, like channel logos, for example.

OLED is much better than LED LCD at handling darkness and lighting precision, and offers much wider viewing angles, which is great for when large groups of people are watching TV. Refresh rates and motion processing are also better with OLED though there is the spectre of image retention.

But these days, nearly all of the OLED TVs on the market today are equipped with preventative measures to curb burn-in, and unless you"re a very particular type of television viewer, you needn"t worry about it at all.

But if you watch regular shows and movies where the picture is constantly changing, chances are that you will never reach the end of its lifespan, with LG saying their TV"s last for 100,000 hours, which is 10 hours a day for 10 years. How long does OLED TV last?

LG OLED TVs are also the first panels from any kind of TV to receive the Eyesafe® certification developed by TUV-Eyesafe®. *LG OLED TV panels have been certified as flicker-free and discomfort glare free by UL.

More people working from home these days often means more hours looking at computer screens and mobile devices. And eye experts at Mayo Clinic say that could create some temporary vision problems.

Journalists: Broadcast-quality video (1:12) is in the downloads at the end of this post. Please courtesy: "Mayo Clinic News Network." Read the script.

If you stare at a computer monitor or cellphone too long and then experience temporary blurry vision, it"s likely because the moisture layer on the front surface of your eye is getting dry.

"If that tear film is not smooth and even, and of the right quality and quantity, vision does tend to be compromised. So, people may notice that they have clear vision one moment, they blink, and it gets blurred. They blink again, and it gets clear," says Dr. Muriel Schornack, a Mayo Clinic optometrist.

"Blinking is huge. It"s hugely important. It can go a long way toward keeping us more comfortable. It"s obviously inexpensive, and it"s readily available," says Dr. Schornack.

Next time you find yourself staring at a screen, try the 20-20-20 rule. "Every 20 minutes, look at something 20 feet away, blink 20 times for 20 seconds," she says.

For the safety of its patients, staff and visitors, Mayo Clinic has strict masking policies in place. Anyone shown without a mask was recorded prior to COVID-19 or recorded in an area not designated for patient care, where social distancing and other safety protocols were followed.

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Whether you are working, reading, or mindlessly scrolling social media, screens are our constant companion these days. If you"ve noticed your eyes are feeling more tired, dry, and irritated than ever, that"s because of our new best friend the screen as well. In order to keep our eyes hydrated, our body is internally wired to blink roughly every 13 seconds, releasing the oil that makes up our tear film with every blink. But when we are looking at screens, our blink rates plummet by as much as 66%, meaning less tear film released onto the surface of the eyes, and thus drier eyes. As expected, studies show that people working and reading on screens report significant discomfort. In a 2018 study of 100 medical school students, screen time caused 58.8% of participants to experience eye strain and fatigue, 23.3% reported headaches, and 13% reported blurry vision. In this same study, 75% of the medical students involved stated they would reduce their screen time as a measure to prevent dry eye.

Which screen is the best for your eyes? Studies show that smaller screens with lower brightness settings, like e-readers or smartphones are the best for visual comfort and ocular surface health!

But reducing screen time may not be that easy. Since the onset of the COVID19 pandemic, average screen time use in the United States has skyrocketed, with reports indicating that the average American adult (age 18+) is spending over 13 hours per day looking at screens. That"s up from roughly 10 hours per day reported in 2019 and 8.4 hours per day in 2018. Knowing that cutting screen time when we"re being asked to work from home, attend school from home, and entertain ourselves from home is extremely difficult, can we potentially reduce our symptoms of dry eye by at least choosing the least irritating device to look at?

A new study published in Optometry and Vision Science explored just this and found that the screen that you use does in fact matter! The study looked at the ocular surface health and comfort of 31 healthy adults between age 20 to 26 after reading on a variety of different devices. Baseline measurements of each participant"s ocular surface was taken before using any screen time, including the Ocular Surface Disease Index(OSDI) questionnaire, the Computer Vision Syndrome Questionnaire, tear meniscus height, Schirmer test, noninvasive tear break-up time, tear film osmolarity, bulbar injection (redness), and pupil size. Participants were then asked to read for 15 minutes on a laptop computer screen, tablet, e-reader, or smartphone and the ocular surface measurements and questionnaires were repeated.

The very best ocular surface health and reported comfort were found when participants read on e-readers or smartphones. Reading on the laptop computer produced the worst disturbances of both ocular surface findings and questionnaire indices. Statistically significant differences were seen between computer use and e-reader/smartphone use in both the OSDI and the CVS-Q questionnaire, tear meniscus height, Schirmer test results, and tear break up time. Tear film osmolarity (a measurement of inflammation) and conjunctival injection (redness) was highest after computer use, followed by e-reader use, and then smartphone use.

Interestingly, the study also compared these results with and without the use of artificial tears. Using artificial tears had no statistically significant effect on any of the ocular surface findings.

Study author Cristian Talens-Estarelles, MSc writes thatthe improved dry eye results with e-readers and smartphones are most likely "attributed to a lower gaze angle and the enhanced optical properties of the e-reader," noting that "the e-reader reflects rather than emits light from behind the screen, similar to how a printed paper behaves."

Smaller screen size.While it may be tempting if your eyes are bothering you to request a larger or even second monitor for work, thinking that a bigger viewing area will make things easier, the science actually shows making monitors larger or using multiple screen monitors is much more uncomfortable for the eyes. In a survey of more than 10,000 adults, only 53% of Americans working on a single screen experienced digital eye strain symptoms, compared to 75% of Americans who used multiple screens. Larger or multiple screen monitors require our eyes to be open wider and slow blink rate down as our brain focuses on peripheral vision to scan between multiple displays.

Lower angle of gaze.Research shows that viewing screens with a downward gaze is the most comfortable for the eyes because it encourages a more natural blink rate. Ergonomic research suggests and optimal screen height of 15-20 degrees below eye level. A disadvantage of larger and multiple screen monitors is that they are typically positioned directly at eye level instead of in this downward position of gaze which increases discomfort significantly.

Lower brightness levels.Reflections from our screens can cause significant visual discomfort, and studies show the screen we are looking at should never be brighter than the ambient room lighting. E-readers and smartphones, especially when Night-Shift mode is enabled, are superior options at reducing reflections and screen brightness to create a more natural viewing environment.

And with any screen use, don"t forget taking breaks is the most important thing you can do. For every 20 minutes that you are working, reading, or playing on a screen, you should take a 20 second break to blink and look down a hallway or out a window (20 feet away). This is called the 20/20/20 Rule and research shows it"s our best protection to keep eyes comfortable and blinking more naturally!

Many individuals experience eye discomfort and vision problems when viewing digital screens for extended periods. The level of discomfort appears to increase with the amount of digital screen use.

The average American worker spends seven hours a day on the computer either in the office or working from home. To help alleviate digital eyestrain, follow the 20-20-20 rule; take a 20-second break to view something 20 feet away every 20 minutes.

Viewing a computer or digital screen often makes the eyes work harder. As a result, the unique characteristics and high visual demands of computer and digital screen viewing make many individuals susceptible to the development of vision-related symptoms. Uncorrected vision problems can increase the severity of computer vision syndrome (CVS) or digital eyestrain symptoms. Viewing a computer or digital screen is different than reading a printed page. Often the letters on the computer or handheld device are not as precise or sharply defined, the level of contrast of the letters to the background is reduced, and the presence of glare and reflections on the screen may make viewing difficult.

Viewing distances and angles used for this type of work are also often different from those commonly used for other reading or writing tasks. As a result, the eye focusing and eye movement requirements for digital screen viewing can place additional demands on the visual system. In addition, the presence of even minor vision problems can often significantly affect comfort and performance at a computer or while using other digital screen devices. Uncorrected or under corrected vision problems can be major contributing factors to computer-related eyestrain. Even people who have an eyeglass or contact lens prescription may find it"s not suitable for the specific viewing distances of their computer screen. Some people tilt their heads at odd angles because their glasses aren"t designed for looking at a computer or they bend toward the screen in order to see it clearly. Their postures can result in muscle spasms or pain in the neck, shoulder or back.

In most cases, symptoms of CVS occur because the visual demands of the task exceed the visual abilities of the individual to comfortably perform them. At greatest risk for developing CVS are those persons who spend two or more continuous hours at a computer or using a digital screen device every day.

The extent to which individuals experience visual symptoms often depends on the level of their visual abilities and the amount of time spent looking at a digital screen. Uncorrected vision problems like farsightedness and astigmatism, inadequate eye focusing or eye coordination abilities, and aging changes of the eyes, such as presbyopia, can all contribute to the development of visual symptoms when using a computer or digital screen device.

Many of the visual symptoms experienced by users are only temporary and will decline after stopping computer work or use of the digital device. However, some individuals may experience continued reduced visual abilities, such as blurred distance vision, even after stopping work at a computer. If nothing is done to address the cause of the problem, the symptoms will continue to recur and perhaps worsen with future digital screen use.

CVS, or digital eyestrain, can be diagnosed through a comprehensive eye examination. Testing, with special emphasis on visual requirements at the computer or digital device working distance, may include:

Patient history to determine any symptoms the patient is experiencing and the presence of any general health problems, medications taken or environmental factors that may be contributing to the symptoms related to computer use.

Testing how the eyes focus, move and work together. In order to obtain a clear, single image of what is being viewed, the eyes must effectively change focus, move and work in unison. This testing will look for problems that keep the eyes from focusing effectively or make it difficult to use both eyes together.

This testing may be done without the use of eye drops to determine how the eyes respond under normal seeing conditions. In some cases, such as when some of the eyes" focusing power may be hidden, eye drops may be used. They temporarily keep the eyes from changing focus while testing is done. Using the information obtained from these tests, along with the results of other tests, a doctor of optometry can determine the presence of CVS or digital eyestrain and advise treatment options.

Solutions to digital screen-related vision problems are varied. However, they can usually be alleviated by obtaining regular eye care and making changes in how the screen is viewed.

In some cases, individuals who do not require the use of eyeglasses for other daily activities may benefit from glasses prescribed specifically for computer use. In addition, persons already wearing glasses may find their current prescription does not provide optimal vision for viewing a computer.

Eyeglasses or contact lenses prescribed for general use may not be adequate for computer work. Lenses prescribed to meet the unique visual demands of computer viewing may be needed. Special lens designs, lens powers or lens tints or coatings may help to maximize visual abilities and comfort.

Some computer users experience problems with eye focusing or eye coordination that can"t be adequately corrected with eyeglasses or contact lenses. A program of vision therapy may be needed to treat these specific problems. Vision therapy, also called visual training, is a structured program of visual activities prescribed to improve visual abilities. It trains the eyes and brain to work together more effectively. These eye exercises help remediate deficiencies in eye movement, eye focusing, and eye teaming and reinforce the eye-brain connection. Treatment may include office-based as well as home training procedures.

Proper body positioning for computer use. Some important factors in preventing or reducing the symptoms of CVS have to do with the computer and how it is used. This includes lighting conditions, chair comfort, location of reference materials, the position of the monitor, and the use of rest breaks.

Location of the computer screen.Most people find it more comfortable to view a computer when the eyes are looking downward. Optimally, the computer screen should be 15 to 20 degrees below eye level (about 4 or 5 inches) as measured from the center of the screen and 20 to 28 inches from the eyes.

Reference materials.These materials should be located above the keyboard and below the monitor. If this is not possible, a document holder can be used beside the monitor. The goal is to position the documents, so the head does not need to be repositioned from the document to the screen.

Lighting.Position the computer screen to avoid glare, particularly from overhead lighting or windows. Use blinds or drapes on windows and replace the light bulbs in desk lamps with bulbs of lower wattage.

Anti-glare screens.If there is no way to minimize glare from light sources, consider using a screen glare filter. These filters decrease the amount of light reflected from the screen.

Seating position.Chairs should be comfortably padded and conform to the body. Chair height should be adjusted so the feet rest flat on the floor. Arms should be adjusted to provide support while typing and wrists shouldn"t rest on the keyboard when typing.

Rest breaks.To prevent eyestrain, try to rest eyes when using the computer for long periods. Resting the eyes for 15 minutes after two hours of continuous computer use. Also, for every 20 minutes of computer viewing, look into the distance for 20 seconds to allow the eyes a chance to refocus.

Blinking.To minimize the chances of developing dry eye when using a computer, try to blink frequently. Blinking keeps the front surface of the& eye moist.

Prevention or reduction of the vision problems associated with CVS or digital eyestrain involves taking steps to control lighting and glare on the device screen, establishing proper working distances and posture for screen viewing and assuring that even minor vision problems are properly corrected.

Don"t take a vision problem to work. Even if glasses are not needed for driving, reading or other activities, they still may offer benefits for a minor vision problem that is aggravated by computer use. A mild glasses prescription may be needed to reduce vision stress on the job. It"s a good idea for computer users to get a thorough eye exam every year.

Glasses should meet the demand of the job. If glasses are worn for distant vision, reading or both, they may not provide the most efficient vision for viewing a computer screen, which is about 20 to 30 inches from the eyes. Tell the doctor about job tasks and measure on-the-job sight distances. Accurate information will help get the best vision improvement. Patients may benefit from one of the new lens designs made specifically for computer work.

Minimize discomfort from blue light and glare. Blue light from LED and fluorescent lighting, as well as monitors, tablets and mobile devices, can negatively affect vision over the long term. Special lens tints and coatings can reduce the harmful impact of blue light. Minimize glare on the computer screen by using a glare reduction filter, repositioning the screen or using drapes, shades or blinds. Also, keeping screens clean; dirt-free and removing fingerprints can decrease glare and improve clarity.

Adjust work area and computer for comfort. When using computers, most people prefer a work surface height of about 26 inches. Desks and tables are usually 29 inches high. Place the computer screen 16 to 30 inches away. The top of the screen should be slightly below horizontal eye level. Tilt the top of the screen away at a 10- to 20-degree angle.

Use an adjustable copyholder. Place reference material at the same distance from eyes as the computer screen and as close to the screen as possible. That way the eyes won"t have to change focus when looking from one to the other.

Take alternative task breaks throughout the day. Make phone calls or photocopies. Consult with co-workers. After working on the computer for an extended period, do anything in which the eyes don"t have to focus on something up close.

With so many of us working from home these days, the hours spent in front of a screen may be too numerous to count. When we’re not sending emails long after the office is “closed,” maybe we’re binge-watching the latest and greatest true crime series Netflix has to offer. But perhaps more frightening than the updated version of Unsolved Mysteries? What all this time spent in front of laptops, desktops, tablets, and televisions is doing to our eyes.

Permanent damage is atypical, but you may find yourself suffering from eye irritability or headaches. If so, there are simple solutions you can put into place to help ease your eyestrain.

Realistically, spending less time in front of screens may not be an option. Nonetheless, there are ways to take proper care of your human hardware—reducing your eyestrain and allowing you to sit in front of a screen longer without pain or discomfort. The options are simple:Take more breaks.

I realize this one is pretty self-explanatory. But with our personal and professional lives colliding like never before, I think it’s worth emphasizing. Yes, your eyes will thank you for taking periodic breaks throughout the day—and your mind and body will, too. In this strange new world, getting up from your computer is an important part of self-care. So, run up and down the stairs in your house, take a walk around the block, or simply get up and stretch every hour. Whatever works for you, just be sure to add break time to your daily calendar.

The blue light emitted from electronic screens is known to cause eyestrain, fatigue, headaches, and sleeplessness. For those working into the night, a quick fix is to turn on the Night Light setting on Windows 10 (usually found under Settings > System > Display) or the Night Shift setting on Apple devices (Apple menu > System Preferences > Displays > Night Shift > select Manual to turn on Night Shift)