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submitted 6 months ago by [email protected] to c/[email protected]

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[–] plz1 12 points 6 months ago (1 children)

I thought it was a coating, like what they use to filter UV light. I have Theraspecs that do it, but those are sunglasses.

[–] hperrin -1 points 6 months ago* (last edited 6 months ago)

If it’s a UV filter, they should call it a UV filter, not a blue light filter. If it doesn’t filter blue light, then it’s not a blue light filter.