What Color Lenses Can Protect The Eyes?
The yellow lens can reduce visual fatigue and make the eyes more comfortable, which can effectively prevent most harmful light. Black, brown, and gray sunglasses have different filtering effects. In general, gray lenses absorb infrared light and 98% of ultraviolet light, while yellow or brown lenses filter out large amounts of blue light. “Blue-ray is the most harmful to people's eyes.” Wearing yellow glasses can effectively filter out blue light, which greatly improves visual contrast and sharpness. Especially for patients with macular degeneration, yellow glasses should be worn to reduce blue light damage. “If you don’t choose a yellow lens, the tinted lens is not bad.”