photochromic lens

(redirected from Transitions lens)

pho·to·chro·mic lens

a light-sensitive spectacle lens that reduces light transmission in sunlight and increases transmission in reduced light.
Farlex Partner Medical Dictionary © Farlex 2012

pho·to·chro·mic lens

(fō'tō-krōm'ik lenz)
A light-sensitive spectacle lens that reduces light transmission in sunlight and increases transmission in reduced light.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012