What Grade Color Means on Photochromic Glasses: A Guide to Lens Choices and Benefits
Photochromic glasses have lenses that change color with light. They come in gray, brown, and green tints. Gray provides accurate color vision, while brown improves contrast. Both tints offer UV protection. These transition lenses stay clear indoors and darken outdoors, making them ideal for varying light conditions. The grade color also affects the benefits of … Read more