lenses that change from clear inside to tented out side?

Twin Groves glasses · #1 (**permalink**) 08-09-2010, 05:18 AM

Which company sells the lenses that change from clear inside to tented out side? What's that called?And how much do they cost?

Thorsby Glasses · #2 (**permalink**) 08-09-2010, 05:22 AM

Quote:

Originally Posted by Twin Groves glasses

Which company sells the lenses that change from clear inside to tented out side? What's that called?And how much do they cost?

they are called as photochromic lenses, at PrescriptionGlassesOnline.net, you only need to pay $59.95 for single vision photochromic lenses and $89.95 for progressive no line bifocal photochromic lenses.