A tendency of the visual axis of one eye to deviate downward, prevented by binocular vision. ... Origin: hypo-+ G. Phora, motion ... (05 Mar 2000) ... 
(hi″po-for´e-ә) a type of heterophoria in which there is permanent downward deviation of the visual axis of an eye in the absence of visual stimuli.
Type: Term Pronunciation: hī′pō-fō′rē-ă Definitions: 1. A tendency of the visual axis of one eye to deviate downward, prevented by binocular vision.
hypophoria A tendency of the visual axis of one eye to deviate downward, prevented by binocular vision.