photopathy


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pho·top·a·thy

(fō-top'ă-thē),
Any disease caused by exposure to light.
[photo- + G. pathos, suffering]

photopathy

Uncertain; an obsolete, nonspecific term for various conditions, including:
(1) Photodermatitis; 
(2) Any disease induced by light;
(3) Light sensitivity; 
(4)  Photophobia.