change of shape (gain/loss of an electron for silver atoms in photochromic glass) results in the absorption of visible light, causing the lenses to darken. These tinted glasses will darken when exposed to UVs and fade back indoors – ideal for changing environments. ...
This change of shape (gain/loss of an electron for silver atoms in photochromic glass) results in the absorption of visible light, causing the lenses to darken. These tinted glasses will darken when exposed to UVs and fade back indoors – ideal for changing en...