A condition in which the refraction is different in the two eyes. ... Origin: hetero-+ G. Metron, measure, + ops, eye ... (05 Mar 2000) ... 
(het″әr-o-mә-tro´pe-ә) the state in which the refraction in the two eyes differs.
Type: Term Pronunciation: het′ĕr-ō-me-trō′pē-ă Definitions: 1. A condition in which the refraction is different in the two eyes.
heterometropia The state in which there are differences in degree of refraction in the two eyes.