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The experts we spoke with agree that wearing blue-light blocking glasses after dark, for computer work or scrolling through your phone, may help you to doze off afterward and sleep better.

Blue-light-blocking glasses may have an anti-glare coating, which decreases the amount of light reflecting from your glasses to further reduce eye strain and make them more comfortable to use.

The amount of blue light that a phone or computer emits is actually quite low, Dr. Downie said, which might be why blocking it doesn’t do much to ameliorate eye strain.

All that blue light can cause eyestrain and fatigue, but what if your primary device had a paper-like display without any blue light? That’s what Daylight Computer is promising from its new DC-1 .