
1.67 Anti-Blue Light Protection Eyeglasses Lenses by Joythink Perfect for Work. UV420 & HEV Protection: Blocks UVA, UVB, and high-energy visible light (400nm-420nm) to prevent cataracts and AMD. Blue Light Blocking: Effectively filters short-wave blue light from screens to reduce eye strain and improve sleep. High Transmittance: Offers 98%-99% light transmittance for clear vision without compromising protection. Anti-Scratch & Anti-Reflective: Features durable coating for scratch resistance and anti-reflection for reduced glare. Lightweight Resin Material: Crafted from CR39/Resin for a lightweight, shatter-resistant, and comfortable fit. Multi-Coating Options: Available with Hard Coating, Multi Coating, Uncoated, or EMI options to suit needs. Universal Fit: Designed for all age groups, unisex use, and all face types including astigmatism and myopia. Weather Resistant: Provides consistent protection against UV rays even on cloudy or rainy days.