2 ms·
Photochromic dyes fade back pretty quick when they’re warm so they should fade back much quicker than the ones in eyeglasses since they will be at body temperat
by dnh44 9y ago
Photochromic dyes fade back pretty quick when they’re warm so they should fade back much quicker than the ones in eyeglasses since they will be at body temperature.
Also the performance is normally faster in soft substrates and I imagine this will be a soft contact.