Adaptation eyes

Adaptation of the eye - the adaptation of view to different lighting conditions. Distinguish adaptation of the eye to light and darkness. Adaptation of the eye to light comes quickly and ends within 5 minutes, adaptation eyes to the darkness is slower. Minimum brightness, causing the sensation of the light determines the sensitivity to light eyes. Recent increases rapidly in the first 30 minutes of stay in the dark and enhancing its almost the end of 50 - 60 minutes. Adaptation eyes to the darkness investigate with the help of special devices-adaptometer. The lowering of adaptation of the eye to see the dark in some eye (pigmentary retinal degeneration, glaucoma) and General diseases (beriberi and others).