Blue light glasses have become an unlikely covetable accessory in 2025, and have even been trending on TikTok thanks to influencers sharing their love for the often oversized non-prescription glasses. While they were designed to reduce eye strain after hours of looking at screens, is there any evidence that they actually work? And should we all be using them? To weigh up the science and whether we should fall for the hype, we consulted an optometrist for an impartial view on whether blue light glasses really work.

What do blue light glasses do?

"Blue light glasses are lenses treated to reduce or filter a portion of high-energy visible (HEV) blue light emitted by screens and some LED lighting. Blue light glasses are made to filter out wavelengths of blue light that are associated with dig

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