Does temperature affect transition lenses?

Does temperature affect transition lenses?

In comparison to other organic photochromic compounds, some spirooxazine compounds are excellent in light fatigue resistance. This enables applications which require moderate photochromic product life to become reality also to be commercially viable. One of these applications is in your community of ophthalmic and sunglass lenses. Fascination with the development of a plastic photochromic lens…

Can astigmatism affect reading?

Can astigmatism affect reading?

The machine has multiple corrective glass lenses of different strengths. Your doctor will request you to read a chart while looking through lenses which are different strengths on the optical refractor. They’ll eventually find a lens that appropriately corrects your vision. The two main forms of astigmatism are corneal and lenticular. distance used, that is…