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Ophthalmic Assistant

Category - Lensometry and Spectacle Skills

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What type of lenses darken when outdoors and lighten when indoors?

Polarized lenses
Photochromic lenses
Tinted lenses
Antireflective lenses

Explanation

Answer: B - Photochromic lenses

Photochromic lenses darken when outdoors and lighten when indoors. These lenses are sensitive to UV rays and, when exposed, are able to darken in order to protect the patient’s eyes.

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Ophthalmic Assistant

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Ophthalmic Assistant

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