Anti-Blue Light Protection Eyeglasses Lenses 1.61 Photochromic Optical Lens

Anti-Blue Light Protection Eyeglasses Lenses 1.61 Photochromic Optical Lens. UV420-Cut Technology: Blocks UVA, UVB, and HEV light from 400nm to 420nm for comprehensive eye safety. All-Weather Protection: Effective protection against 60% UV penetration on cloudy days and 20-30% on rainy days. Blue Light Blocking: Blocks short-wave high-energy blue light from screens to reduce eye strain and discomfort. Sleep Quality Enhancement: Curbs blue light influence on melatonin secretion to improve restful sleep. High Transmittance: Offers 98% to 99% light transmittance for clear vision. Anti-Scratch & Anti-Reflection: Features anti-scratch and anti-reflection coatings for durability and clarity. Multiple Coating Options: Available with HC, HMC, UC, or EMI coatings to suit various needs.