Name: 1.56 UV420 anti blue light ASP blue protection SHMC lens
Brand: Crystal Optical Co.,Ltd.
Price: 20 USD
Rating: 4.4 (5 reviews)

1.56 UV420 anti blue light ASP blue protection SHMC lens

Anti-blue lenses are mainly used to isolate UV and radiation when watching computers, TVS or mobile phones, and filter blue light, especially the short-wave harmful blue light between 415 and 455 nanometers ‌. The lenses are generally yellowish, and the higher the blocking rate of harmful blue light, the darker the background color. ‌

Features of 1.56 UV420 anti blue light ASP blue protection SHMC lens

Color signature: Anti-blue lenses usually have a slight yellow. This is because they incorporate anti-blue light factors, which absorb or reflect blue light, thereby protecting the eyes from damage.

Transmittance characteristics: The transmittance of anti-blue light lenses may be slightly lower. This is because they need to filter out a portion of the blue light to reduce the burden on the eyes.

Anti-blue effect: The main function of anti-blue lenses is to filter out harmful blue wavelengths, especially high-energy blue light between 415nm-455nm. This blue light can penetrate the lens and reach the macula area at the bottom of the eye, causing lesions or increasing eye strain.

Specification of 1.56 UV420 anti blue light ASP blue protection SHMC lens



Index	1.553
Material	NK55 UV420
Diameter	65/72mm
Power Range	SPH -8.00~ +6.00 CYL: 0~ -6.00
Abbe Value	38
coating	HMC/SHMC
Coating clour	Blue/Green
Design	Spherical/Aspherical

Advantages of 1.56 UV420 anti blue light ASP blue protection SHMC lens

Advantages of front blue and back green coating
This coating combines the advantages of blue and green coating, which prevents blue light on the front and reduces reflection on the back.Make the wearer more comfortable
Advantages of Aspheric lens
Compared to traditional spherical lenses, the surface curvature of aspherical lenses has been specially designed to reduce aberration and deformation, providing a clearer and more comfortable visual experience. This design makes the lenses lighter, thinner and flatter, while maintaining excellent impact resistance and ensuring the safety of the wearer. ‌The main advantages of aspherical lenses include the reduction of lens aberrations and the resolution of problems such as distorted field of view, blurred images and narrow field of view. This design allows for a clearer and easier visual experience for the wearer.