Digital Eye Strain

Computer Vision Syndrome, and Blue-Light Blocking Glasses

Can “Blue-Blocking” Computer Glasses Reduce Eye Strain?

The short answer: No.

There is a lot of marketing out there, even amongst eye care professionals, expounding the benefits of blue-light blocking glasses and their ability to aid in reducing eyestrain while on the computer. Sadly, no medical evidence exists to support these claims. Multiple clinical trials have questioned the utility of blue-blocking glasses [1,2,3] without any evidence to demonstrate their efficacy.

Dr. Jimmy Hu’s advice is; while it certainly won’t do you any physical harm, the benefit is limited as well. The American Academy of Ophthalmology has taken a stance on digital eye strain and the role of blue light.

Is there any benefit to blue-light blocking glasses, and sleep?

Bright blue-light before bedtime might affect your ability to go to sleep easily and restfully at the end of the day. Prolonged screen time usage before bed interferes your body’s circadian rhythm, melatonin production and signaling, and consequently, the neurochemical pathways that signal your body that it’s time for bed. While blue-light blocking glasses may help with this, you can achieve the same result by using the “night mode” setting on your phone, tablet, or computer.

An eye exam is the best way to screen for, and evaluate any eye conditions affecting your health, comfort, and quality of vision.