dysadaptation

dys·ad·ap·ta·tion

(dis'ad-ap-tā'shŭn), Inability of the retina and iris to accommodate well to varying intensities of light.

dysaptation

, dysadaptation (dis-ap″tā′shŏn) (dis-ad″ap″tā′shŏn) Impaired ability of the iris of the eye to accommodate to varying intensities of light.