THE CLEAR VISION GUIDE

Anti-reflective coating (AR) explained

Optical surface layers designed to reduce selected reflections from a lens.

Lens design and materials

How to understand it

Residual reflections vary with angle and wavelength. Scratch resistance and easy cleaning should be checked separately.

An example

Less reflection from a desk lamp can make the eyes more visible during a video call.

A common mix-up

A green reflection is not a reliable certificate of quality or a measure of blue-light filtering.

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Sources & verification

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Related terms

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