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1 Pair of Photochromic Reading Glasses - Reader That Darkens When Exposed to Outdoor Sunlight - UV Protection Readers +2.50 - Walmart.com
The Eye Surgery & Laser Centre - Yes. Photochromic lenses turn dark and offer protection from the sun on exposure but when in most modern cars, the windscreens have UV protection properties
All About Eyes Abuja - Lenses that go dark in the sun are referred to as #photochromic lenses. They have tiny molecules embedded in them that react with UV (ultraviolet) sun rays
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