Blue light filtering glasses: Just how effective are they?

Sales of blue light glasses are expected to grow as people are set to continue meeting virtually. PHOTO: ZOFF
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SINGAPORE - When freelance graphic designer Lee Su-fen, 29, started working from home and conducting virtual meetings in March last year owing to the Covid-19 pandemic, one of the first purchases she made was a pair of blue light filtering glasses.

This was because she had heard that blue light was harmful, and that overexposure could lead to eye strain.

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