Welcome to Cyxus
Cyxus is the professional eye protection glasses brand with FDA certification, CE certification, the RoHS test of the SGS and the drop ball test of the IRC. Not just eyewear, Cyxus bring you greatest comfort of vision in the digital age.
We strive to provide our customers an array of products that satisfy demand for quality and efficiency. Buy Cyxus products from here in a worry-free manner as we are the only official store of Cyxus in AliExpress.
The photochromic eyeglasses undergoing a reversible change in color or shade when exposed to light of a particular frequency or intensity.that is , if you test it by hands only , it didn't work .
how to test it's photochromic?
· you need a good weather.It means the sun has to reach a certain intensity .
· If the light does not reach a certain intensity, it will not cause a color change reaction, and the light includes but is not limited to sunlight.
· It's just that the reaction in the sun is more intuitive.
· let the photochromic eyeglasses exposed to the sun fully .The process of discoloration takes about 30 seconds.
· please wait patiently