the tendency to tilt the head downward, with visual axes deviating upward, on looking straight ahead.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
anaphoria(an?a-for'e-a) [ ana- + -phoria]
The tendency of the eyeballs to turn upward. Synonym: anatropia
Medical Dictionary, © 2009 Farlex and Partners
A condition in which, on dissociation (e.g. by occlusion) of either eye, the eye behind the cover deviates upward but reverts to its fixating position when dissociation ceases. The condition can either occur as an isolated phenomenon or be associated with strabismus or latent strabismus. Syn. anaphoria; anatropia; dissociated vertical divergence; double hyperphoria. See Bielschowsky's phenomenon.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann