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
![Photochromic Anti Radiation Eye Glasses For Women Men Replaceable Lens Eyeglasses Frames Sun Adaptive Glass Anti Blue Ray Eyewear Specs Transitional Anti Blue Light Glare Computer Glasses Anti UV400 Auto Changing Color Photochromic Anti Radiation Eye Glasses For Women Men Replaceable Lens Eyeglasses Frames Sun Adaptive Glass Anti Blue Ray Eyewear Specs Transitional Anti Blue Light Glare Computer Glasses Anti UV400 Auto Changing Color](https://static-01.daraz.pk/p/55384206a5f3f3adbb614bb5b969cbb5.jpg)
Photochromic Anti Radiation Eye Glasses For Women Men Replaceable Lens Eyeglasses Frames Sun Adaptive Glass Anti Blue Ray Eyewear Specs Transitional Anti Blue Light Glare Computer Glasses Anti UV400 Auto Changing Color
![3 Tips for choosing Photochromic Lenses | Transitions / Reactolite / Sensity / Photofusion - YouTube 3 Tips for choosing Photochromic Lenses | Transitions / Reactolite / Sensity / Photofusion - YouTube](https://i.ytimg.com/vi/eV9M82_neY8/maxresdefault.jpg)
3 Tips for choosing Photochromic Lenses | Transitions / Reactolite / Sensity / Photofusion - YouTube
![Men's Photochromic Polarized Sunglasses for Driving, Rectangular Frame with 100% UV Protection (Black(sports)/Discolor)(Size:M) : Amazon.co.uk: Fashion Men's Photochromic Polarized Sunglasses for Driving, Rectangular Frame with 100% UV Protection (Black(sports)/Discolor)(Size:M) : Amazon.co.uk: Fashion](https://m.media-amazon.com/images/I/71khxjPFcJL._AC_UY1100_.jpg)
Men's Photochromic Polarized Sunglasses for Driving, Rectangular Frame with 100% UV Protection (Black(sports)/Discolor)(Size:M) : Amazon.co.uk: Fashion
![How can my glasses change from transparent, when I'm inside, to dark when I go outdoors? | HowStuffWorks How can my glasses change from transparent, when I'm inside, to dark when I go outdoors? | HowStuffWorks](https://cdn.hswstatic.com/gif/How-to-activate-transition-lenses-without-sun.jpg)
How can my glasses change from transparent, when I'm inside, to dark when I go outdoors? | HowStuffWorks
![1 Pair of Photochromic Reading Glasses - Reader That Darkens When Exposed to Outdoor Sunlight - UV Protection Readers - Walmart.com 1 Pair of Photochromic Reading Glasses - Reader That Darkens When Exposed to Outdoor Sunlight - UV Protection Readers - Walmart.com](https://i5.walmartimages.com/asr/78bc1205-72b3-48a6-80d1-8940a3d9603e_1.a8f0eac364f8a17ebc2f9a8d90ffda47.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)