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Photochromic Lenses: Pros and Cons

A balanced look at light-adaptive lenses to help you decide.

Last updated November 3, 2026 · General information only, not medical advice. Please see a licensed eye-care professional for your prescription and eye health.

Woman wearing glasses
ProsCons
One pair for indoors and outdoorsSlower to clear when you come inside
Built-in UV protectionLimited darkening behind car windscreens
Convenient for prescription wearersUsually not polarized
Available in several coloursPerformance varies with temperature

If you drive a lot in bright conditions, dedicated polarized prescription sunglasses may suit you better.

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