You may have heard that you should avoid blue light emanating from electronic screens.
Some people use special blue spectrum glasses or coatings for lenses that can block it.
Compared to the other visible colors, blue light has the most energy per photon of light.
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The concern is that, in large enough amounts, it may damage the retina.
It may also keep you from falling asleep by disrupting your sleep-wake cycle.
Likewise, the American Academy of Ophthalmology finds no evidence linking blue light from devices to eye strain.
There can potentially be a downside to these lenses, particularly for children.
Some think that light and dark cycles can affect eye growth and vision.
Using lenses (especially all the time) that affect the light spectrum may not be a good idea.
Evidence does not suggest that unit-related blue light is a problem if you have AMD.
You should definitely wearultraviolet (UV)-protective sunglassesfor sun exposure.
You should also consult your eye specialist to determine what’s right for you.
Taking frequent breaks from screens or using artificial tears have proven to be better alternatives to alleviate this issue.
These glasses filter out light on the blue spectrum and prevent it from reaching the eyes.
you’ve got the option to reduce eye strain in various ways.
you could use night mode or stop using screens a couple of hours before bedtime to improve sleep quality.
Singh S, Downie LE, Anderson AJ.Do blue-blocking lenses reduce eye strain from extended screen time?
A double-masked randomized controlled trial.Am J Ophthalmol.
2021;226:243-251. doi:10.1016/j.ajo.2021.02.010
American Academy of Ophthalmology.Are blue-light blocking glasses worth it?
2023;8(8):CD013244.
doi:10.1002/14651858.CD013244.pub2
Harvard Health.Will blue light from electronic devices increase my risk of macular degeneration and blindness?
American Academy of Ophthalmology.Should you use night mode to reduce blue light?
2019;12(12):e201900102.
doi:10.1002/jbio.201900102
Tosini G.Blue-light-blocking lenses in eyeglasses: a question of timing.Optom Vis Sci.
2022;99(3):228-229. doi:10.1097/OPX.0000000000001866
American Macular Degeneration Foundation.Ultra violet and blue light aggravate macular degeneration.
American Academy of Ophthalmology.Computers, digital devices and eye strain.
National Eye Institute.Finding an eye doctor.
