Synonym: photonosus. ... Origin: photo-+ G. Pathos, suffering ... (05 Mar 2000) ... 
Type: Term Pronunciation: fō-top′ă-thē Definitions: 1. Any disease caused by exposure to light.
photopathy 1. A pathological effect caused by light. 2. The influence of light upon organisms. 3. Any abnormal change in the skin induced by light.