Blue Cut Lenses Hmc Danyang 1.56 Optical Bifocal Lens with Blue O Protection

Blue Cut Lenses Hmc Danyang 1.56 Optical Bifocal Lens with Blue O Protection. UV420 & Blue Light Protection: Filters UVA, UVB, and HEV light (400-420nm) to protect eyes from cataracts and AMD. Enhanced Sleep Quality: Reduces blue light impact on melatonin secretion, promoting better rest and sleep. High Transmittance: Offers 98%-99% light transmittance for clear vision while blocking harmful rays. Anti-Reflective Coating: Features HC/HMC/UC/EMI coatings to reduce glare and eye strain from screens. Lightweight Resin Material: Made from CR39/Resin, ensuring lenses are lightweight, shatter-resistant, and durable. Effective in All Weather: Provides consistent protection against UV rays even on overcast or rainy days.