Factory Free sample 1.61 Spin Fast Photochromic Gray Lens - High Index 1.74 Super Hydrophobic Coating Single Vision Ultra Thin – Optical

Packaging & Delivery

Super Hydrophobic 1.74 High Index Optical Lenses

Features
1. Impact resistance: 1.74 high index lenses meet FDA standard, can pass the falling spere test, have higher resistance to scratches and impact.
2. Design: It approaches flat base curve, can offer people amazing visual comfort and aesthetic appeal.
3. UV protection: 1.74 single vision lenses have UV400 protection, that means full protection against UV rays, including UVA and UVB, protect your eyes everytime and everywhere.
4. Aspherical shape: Aspherical lenses are thinner and lighter than spherical lenses, relieving the visual fatigue caused by oppression effectively. In addition, they also can reduce aberration and distortion, give people more comfortable visual effect.

Aspherical Design
Aspheric eyeglass lenses allow for crisper vision than standard spheric lenses, mostly when looking in other directions than the lens optical center.
Not related to the optical quality, they may give a thinner lens, and also distort he viewer’s eyes less as seen by other people, producing better aesthetic appearance.

AR Coating
–HC(hard coating): To protect the uncoated lenses from scratch resistance.
–HMC(hard multi coated/AR coating): To protect the lens effectively from reflection, enhance functional and charity of your vision.
–SHMC(super hydrophobic coating): To make the lens waterproof, antistatic, anti slip and oil resistance.

UV400
—UV+400cut technology filters out not only UVA&UVB, but also high-energy visible light(HEV light) of 400nm-420nm.

—Latest reasearch has shown that blocking UV and HEV light is critical for protecting eyes against cataracts and age-related macular degeneration(AMD).

—We are still exposed to 60% of Ultraviolet rays on cloudy days and 20%-30% on rainy days. Oue blue cut lens can provide protection under all weathers.