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