Blue light glasses are of mixed value; while they can reduce glare and may offer comfort for some by lessening digital eye strain and potentially improving sleep if used at night, scientific evidence doesn't strongly support claims of eye health protection, and many benefits are likely due to placebo or improved screen habits like taking breaks, say the University of Melbourne, Specsavers, and Axon Optics. They can alter color perception and aren't a substitute for healthy screen practices, but some users report less fatigue and headaches, making them worth trying if you experience discomfort, though quality varies greatly.
While blue light glasses can filter some blue light, major eye health organizations like the American Academy of Ophthalmology (AAO) and research reviews find no strong scientific evidence that they reduce digital eye strain, improve visual performance, or protect eye health for the general population, with effects likely minimal or placebo. Some studies suggest they might improve sleep by filtering melatonin-suppressing blue light at night, but stopping device use before bed is more effective. For eye strain, focus on good habits like the 20-20-20 rule and proper lighting instead.
No, most doctors and major eye health organizations, like the American Academy of Ophthalmology (AAO), do not recommend blue light glasses because there's little scientific evidence they prevent eye strain or damage from screens, though some users report comfort and sleep benefits, especially in the evening. The real cause of digital eye strain is often reduced blinking, and better solutions involve taking screen breaks (20-20-20 rule), adjusting device settings, and using proper lighting, according to Dr. Sumeer Singh and other experts.
The main disadvantages of blue light glasses are that research shows they often don't relieve digital eye strain, can cause color distortion or a yellowish tint, and may negatively impact sleep if tinted versions are used at night (by blocking beneficial daytime blue light), potentially disrupting circadian rhythms. While they can block some blue light that disrupts sleep, evidence suggests the largest source of blue light is the sun, and the effectiveness against strain isn't well-supported by studies, which often point to dry eyes from reduced blinking as the real culprit.
You Have Symptoms of Digital Eye Strain
You shouldn't experience any negative effects from wearing blue light glasses all the time. Though it's worth mentioning, you could notice some subtle vision changes because of the blue filter in the lenses. Blue light isn't the only thing linked to digital eye strain.
Yellow Lenses
These glasses provide maximum protection against blue light during the daytime and can often be described as light sensitivity glasses.
Yes. You can wear blue light glasses all day… and in fact, you should! Most wearers find blue light blockers most helpful when behind their computer, but if you're using your tablet at night or sitting near a window, wearing your glasses can help protect your eyes.
Brown is a more effective filter of blue light than gray, and yellow/amber are ideal for filtering blue light that causes eye fatigue and strain.
If you're new to the world of blue light glasses, you may be experiencing a few initial issues when wearing your glasses for the first time, particularly if you haven't worn any form of eyewear before. A good suggestion if you are experiencing any issues is to start slowly.
Cheap, or fake, blue light blocking glasses are not capable of protecting your eyes and the results are as follows: You'll suffer from eye fatigue and soreness. You may experience blurry vision and dry eyes. Your sleep pattern will be disrupted.
The bottom line: There is not clear evidence that blue-light blocking lenses provide a significant benefit. If you spend long hours on screens, it is unlikely that using blue light lenses would be harmful and some patients swear by the improvement they feel.
TREATMENT FOR DIGITAL EYE STRAIN
You could opt for a prescription blue light lens, or go for a neutral lens to wear while keeping your contacts in.
A comprehensive 2023 Cochrane review—considered the gold standard of scientific evidence—examined randomized controlled trials and concluded that blue light filtering spectacle lenses may not reduce eye strain symptoms with computer use over short-term periods compared to non-blue-light filtering lenses.
Red Lenses
Nighttime red lens are used in our NightFall Blue Blocking Glasses range. These red lenses block 100% of blue light and 100% of green light up to 550nm. This makes them hands down the most powerful and effective blue and green light blocking lenses available.
Blue light-blocking glasses (also called blue-cut) are effective only when they provide some degree of protection against the entire spectrum of blue light. Blue light glasses for daytime are clear and they provide protection from computer screens. Hence they can be called computer glasses.
Amber lenses (or yellow lenses) provide an increased level of protection, designed for gamers and heavy screen users who experience greater exposure to blue light. Clear lenses are more appropriate for those who work on screens in the day but don't have as heavy screen lives outside of work.
The main disadvantages of blue light glasses are that research shows they often don't relieve digital eye strain, can cause color distortion or a yellowish tint, and may negatively impact sleep if tinted versions are used at night (by blocking beneficial daytime blue light), potentially disrupting circadian rhythms. While they can block some blue light that disrupts sleep, evidence suggests the largest source of blue light is the sun, and the effectiveness against strain isn't well-supported by studies, which often point to dry eyes from reduced blinking as the real culprit.
UV Blue lenses filter out harmful blue light and UV rays from digital screens, helping reduce eye strain, dryness, and visual fatigue during prolonged screen use. They're a great everyday option for anyone working with computers, tablets, or smartphones.
It's impossible to tell clear blue light and regular prescription glasses apart from the naked eye. You'll look like you're wearing a normal pair of glasses.
Blue light glasses should be worn when watching TV or using your phone, as both are digital screens that emit artificial blue light. These blue light wavelengths can lead to eye strain, fatigue, and poor sleep patterns.
No, it is not bad to wear blue light glasses when not looking at a screen. If you wear them in situations without screens whether indoors or outdoors, it will not be detrimental to your eye health.
Just like any other digital device or LED screen, iPhones emit blue light that signals your brain to stay awake. Blue light also comes from the sun, and some exposure to blue light during daytime hours provides benefits, such as elevating your mood.
Using dark mode is helpful in that it's easier on the eyes than a stark, bright white screen. However, using a dark screen requires your pupils to dilate which can make it harder to focus on the screen.
One big question that is commonly asked is whether all blue light glasses have a yellow tint. The simple answer is, no. However, this is all dependent on your own unique digital requirements. Whilst a yellow lens provides great benefits for blue light protection, they may not be the best option for you.