They’re just regular (prescription) glasses. The sky looks normal through them. What’s the deal?

  • Boozilla@lemmy.world
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    17 days ago

    The anti-reflective (AR) coating can create blue or purple reflections from certain angles. The coating is meant to block some of the UV spectrum of light to help protect your peepers. It also prevents some of the reflections that would be annoying, hence the name.