Visual impairment in which an object is seen as two objects

WordNet Word definitions in WordNet
n. visual impairment in which an object is seen as two objects; "diplopia often disappears when one eye is covered" [syn: double vision ]

Wiktionary Word definitions in Wiktionary
n. (context pathology English) An ophthalmology condition where one perceives two images; double vision.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Diplopia \Di*plo"pi*a\, Diplopy \Dip"lo*py\, n. [NL. diplopia, from Gr. ? double + the root of ? sight: cf. F. diplopie.] (Med.) The act or state of seeing double. Note: In crossed or heteronymous diplopia the image seen by the right eye is upon the left ...

Wikipedia Word definitions in Wikipedia
Diplopia , commonly known as double vision , is the simultaneous perception of two images of a single object that may be displaced horizontally, vertically, diagonally (i.e., both vertically and horizontally), or rotationally in relation to each other. ...