Danyang 1.56 Bifocal Lens with Joythink Anti-Blue Blue O Technology

Danyang 1.56 Bifocal Lens with Joythink Anti-Blue Blue O Technology. Advanced UV & Blue Light Protection: Filters UVA, UVB, and harmful HEV light (400-420nm) to protect against cataracts and AMD. Enhanced Sleep Quality: Reduces blue light impact on melatonin secretion to help improve sleep patterns. High Transmittance Clarity: Offers 98%-99% transmittance with anti-scratch and anti-reflection properties. Versatile Bifocal Design: 1.56 index resin bifocal lens suitable for astigmatism, myopia, and all face types. All-Weather Eye Shield: Effective protection even on overcast or rainy days where UV penetration is significant. Relaxation of Eye Strain: Blocks high-energy blue light from electronic devices to alleviate visual discomfort. Premium Resin Material: Lightweight and durable CR39/resin construction with stable optical performance. Professional Manufacturing: Produced by Danyang Xinjingjie Glasses Co., Ltd. with rigorous quality assurance.