All-round anti-blue lenses will absorb all the 380nm UV absorption, and then absorb 400-500nm high-energy blue light, block the harmful light outside the eyes, protecting the eyes from damage. While the 500-780nm of the dominant light to maintain the transmission rate of 90% or more, to ensure that vision as clear as possible.
All-round anti-blue lenses are suitable for regular use of computers and phones. The people who often use the computers, phones and ipad touch the electronic screen for a long time, therefore they will be in the blue light for a long time. As a result, protection is essential.Many fashion people like wearing glasses frame, but it is nothing when in face of ultraviolet radiation or indoor computers and phones, so a pair of anti-blue lenses will be more secure.
In general, the anti-Blu-ray effect of the brown lens is stronger than the transparent lens
Polarized UV400 Lenses Against Harmful UVA/UVB Rays.