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Related to vertical diplopia: horizontal diplopia
the perception of two images of a single object; called also double vision.
binocular diplopia double vision in which the images of an object are formed on noncorresponding points of the retinas.
crossed diplopia horizontal diplopia in which the image belonging to the right eye is displaced to the left of the image belonging to the left eye (divergent strabismus).
direct diplopia horizontal diplopia in which the image belonging to the right eye appears to the right of the image belonging to the left eye (convergent strabismus).
horizontal diplopia diplopia in which the two images lie in the same horizontal plane, being either direct or crossed.
vertical diplopia diplopia in which one image appears above the other in the same vertical plane.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Double vision with one of the two images higher than the other.
See also: diplopia
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