Computer blue light and light sensitive eyes

pcbinary June 27, 2021 0 Comments



Computer vision syndrome


Too much unsupervised computer work may cause vision problems for kids.Computer vision syndrome — also called digital eye strain — is a conditionthat’s caused by visual stress from extended screen time.Computer vision syndrome has a combination of symptoms, including: fluctuatingvision, tired eyes, dry eyes, headache and fatigue. Other non-visual symptomsof computer vision syndrome include neck, back and shoulder pain.Blue-light glasses and computer glasses can offer relief from digital eyestrain.

Computer vision syndrome


Too much unsupervised computer work may cause vision problems for kids.Computer vision syndrome — also called digital eye strain — is a conditionthat’s caused by visual stress from extended screen time.Computer vision syndrome has a combination of symptoms, including: fluctuatingvision, tired eyes, dry eyes, headache and fatigue. Other non-visual symptomsof computer vision syndrome include neck, back and shoulder pain.Blue-light glasses and computer glasses can offer relief from digital eyestrain.

Computer vision syndrome


Too much unsupervised computer work may cause vision problems for kids.Computer vision syndrome — also called digital eye strain — is a conditionthat’s caused by visual stress from extended screen time.Computer vision syndrome has a combination of symptoms, including: fluctuatingvision, tired eyes, dry eyes, headache and fatigue. Other non-visual symptomsof computer vision syndrome include neck, back and shoulder pain.Blue-light glasses and computer glasses can offer relief from digital eyestrain.

Computer vision syndrome


Too much unsupervised computer work may cause vision problems for kids.Computer vision syndrome — also called digital eye strain — is a conditionthat’s caused by visual stress from extended screen time.Computer vision syndrome has a combination of symptoms, including: fluctuatingvision, tired eyes, dry eyes, headache and fatigue. Other non-visual symptomsof computer vision syndrome include neck, back and shoulder pain.Blue-light glasses and computer glasses can offer relief from digital eyestrain.

Computer vision syndrome


Too much unsupervised computer work may cause vision problems for kids.Computer vision syndrome — also called digital eye strain — is a conditionthat’s caused by visual stress from extended screen time.Computer vision syndrome has a combination of symptoms, including: fluctuatingvision, tired eyes, dry eyes, headache and fatigue. Other non-visual symptomsof computer vision syndrome include neck, back and shoulder pain.Blue-light glasses and computer glasses can offer relief from digital eyestrain.

Where to get blue light glasses


Keen to try blue light blocking glasses anyway? You can buy blue blockinglenses from optometrists – Oscar Wylee will add a blue light blocking filterto any of its frames for $80, while OPSM’s BlueGuard lenses will set you back$50 on top of your selected lenses.Just be aware there is currently no specific Australian standard for bluelight filtering glasses or screen protectors, according to the RoyalAustralian and New Zealand College of Ophthalmologists (RANZCO).

Computer blue light and light sensitive eyes


Last Christmas we used red and blue lights. I had no problem looking at redones, but the blue ones I couldn’t stand – I started to feel pain in my lightsensitive eyes immediately. The rest of the family who do not have lightsensitive eyes had no problem with the blue ones. Clearly, the blue ones wereoff most of the time.I am guessing that light sensitive eyes are more susceptible to negativeeffects than eyes that are not light sensitive. On the other hand it mightalso be that light sensitive eyes are “equipped” with a safety mechanism.Light sensitive eyes detect harmful blue light sooner and at lower lightlevels than eyes that are not light sensitive. In this way light sensitivepeople may react quicker and prevent damage.Unfortunately (to the best of my knowledge) there is no research specific tocomputer blue light and light sensitive eyes but it makes sense to becautious.

Does blue light cause digital eye strain or computer vision syndrome?


There is some evidence that blue light can also contribute to temporarydigital eye strain, computer vision syndrome or visual fatigue.One study concluded that blue light from digital devices may contribute tosymptoms of visual fatigue, “since blue light scatters in the eye, increasingthe effort needed to maintain visual focus.”At the same time, the study notes that “no evidence currently exists tosuggest that the visible blue light emitted from digital devices is able todamage the eye.”That said, given the amount of time I am on the computer these days, I’ll takeany advantage I can against eye fatigue.

Claim 1: Blue light glasses reduce digital eye strain or computer vision


syndromeA common claim made by online retailers is that blue eye blocking glasses canreduce irritation, dry eyes and/or eye strain that is linked to the use ofcomputers, tablets and phones.Zenni Optical, one of my favorite places to buy super-cheap prescriptionglasses, cutely calls this phenomenon FryEye, though it is more commonlyreferred to as digital eye strain or computer vision syndrome.(Not surprisingly, Zenni proposes a solution to FryEye via their Blokz bluelight blocking lenses.)Studies suggest that blue-light blocking glasses “may reduce eye strainassociated with computer use based on a physiologic correlate of eye fatigueand on subjects’ reporting of symptoms typically associated with eye strain,”and could be used as a supplemental tool to prevent damage to the retina fromblue light.In addition to blocking blue light, some “blue light glasses” also have anti-glare coatings.Glare is one of the factors that contributes to digital eye strain andcomputer vision syndrome, according to the American Optometric Association.To the extent that blue light blocking glasses also include an anti-glarecoating to reduce glare from phone and computer screens and other lightingsources, they may address one of the contributors to computer vision syndrome.(Note that many prescription eyeglass retailers offer anti-glare lens coatingsindependent of blue light filters.)There are skeptics, however. Amid all of the hype and propaganda around thesupposed benefits of blue light filtering glasses, Amanda Mull at the Atlanticwrote a provocatively titled piece on “The Bogus Science Behind Instagram’sNew Glasses Trend.” She throws shade on blue light glasses as:> “the latest in a long line of fashion products masquerading as health aids> in the anxiety economy of social media.”Mull notes that digital eye strain could be caused by staring at anything fortoo long — like a book — without sufficient breaks.She’s right about that: Digital eye strain can be caused by lots of non-digital activities, though I’d observe that books don’t emit blue light orreflect glare. As noted above, there are experts that suggest the presence ofblue light and glare may contribute to digital eye strain and computer visionsyndrome.To the extent that blue light glasses filter out blue light and reduce glare,they may be a tool to reduce temporary eye strain or fatigue caused by yourphone, tablet or computer.That said, given that exposure during the daytime to blue light helps regulateyour body’s natural circadian rhythms, it is possible that wearing glassesthat are meant to block out blue light all day long might have otherimplications beyond an impact on digital eye strain.

Prescription blue light blocking glasses vs. computer blue light blocking


glasses vs. blue-light readersHaving concluded that I wanted to try a pair of blue light blocking glasses, Ifaced another question: Should I try prescription blue light blocking glasses,or blue light reading glasses, or non-magnifying “computer glasses”?This was a bit of a dilemma for me.I have an astigmatism, a curvature of the cornea that essentially means myeyes are continually trying to focus. It doesn’t bother me all of the time,and I tend to wear glasses only while driving, reading at night and whileusing the computer at work. That means that, during the day while looking atthe computer, I would want my prescription as well as blue light blockinglenses. But at home sitting on the couch watching TV or reading on my tablet,I probably wouldn’t need the prescription built in. (Because I have anastigmatism, I generally do not rely on over-the-counter reading glasses,which do not address the issue.)So I went down another rabbit hole and looked at an array of alternatives tobuy prescription blue light glasses and nonprescription “computer glasses” andblue-light readers.Here’s what I found:

Blue light glasses on Amazon


On Amazon, there is an entire universe of computer glasses with blue lightfeatures. You can really fall down a rabbit hole looking at brands andreviews. Here are a couple of options for finding cheap blue light computerglasses on Amazon:

Concept of Computer Eye Strain Glasses


Let us understand in length and breadth what computer eye strain glasses areand what they do?With the computers, laptops, smartphones, tablets and other digital screentechnology comes what is known as the blue light along with the emission ofglares. This blue light is a part of light rays and is visible to the nakedeyes owing to its shorter wavelength.Blue light is harmful to the eyes, to the extent that it may cause someserious troubles. Ranging from digital eye strain, dryness of eyes, weak eyes,macular degeneration to retinal damage. This is because, when the blue lightenters the eyes and reaches the retina, it starts causing damage. Because thenatural lens of the eyes is pretty delicate and like UV rays it fails to blockblue light from entering the eyes. Therefore, the blue light can harm eyes ifnot taken care of.Moreover, when the user of the digital screen device or computer is strainedto view the digital screen of the device he/she is operating, the muscles ofthe eyes get tensed. Due to this tension in the muscles, the person feels aheadache that keeps occurring frequently while using the computer for extendedhours or when using a smartphone for hours. Therefore, it may lead to acondition that is known as digital migraine which is a striking pain in thehead when you view a computer screen for hours without taking a break.The other issue associated with the computer, smartphone, and other digital isthe emission of glares that also creates reflections on the glasses. Thishinders the eyes to focus on the screen and causes the eyes to strain.

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