![The lenses of my glasses get darker when exposed to sunlight. Last night I left them at such an angle that only part of the lens was exposed to the morning sunlight The lenses of my glasses get darker when exposed to sunlight. Last night I left them at such an angle that only part of the lens was exposed to the morning sunlight](https://i.redd.it/u91a80mimwo51.jpg)
The lenses of my glasses get darker when exposed to sunlight. Last night I left them at such an angle that only part of the lens was exposed to the morning sunlight
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
![How dark the lenses get in the transitions compared to the G-15 green. Some shots I took. : r/RayBanStories How dark the lenses get in the transitions compared to the G-15 green. Some shots I took. : r/RayBanStories](https://preview.redd.it/how-dark-the-lenses-get-in-the-transitions-compared-to-the-v0-qppzr9c9y2ac1.jpg?width=640&crop=smart&auto=webp&s=31a4f20dbf5da53fe7879d23ee1e3d69de37bc2a)