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Related to aniseikonia: anisophoria


A condition in which the shape and size of the ocular image differ in each eye.

[From anis(o)- + Greek eikōn, image.]

an·i′sei·kon′ic (-kŏn′ĭk) adj.


(Medicine) a condition caused by a defect in the lens of the eye in which the images produced in the two eyes differ in size or shape
[C20: New Latin, from aniso- + Greek eikon image]
ˌaniseiˈkonic adj


(ˌæn ə saɪˈkoʊ ni ə)

a defect of vision in which the images at the retinas are unequal in size.
[1930–35; anis (o)- + Greek eikṓn image, icon + -ia]
an`is•ei•kon′ic (-ˈkɒn ɪk) adj.

aniseikonia, anisoconia

a defect of the eyesight in which the images on the retinas are different in size. — aniseikonic, adj.
See also: Eyes
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aniseikonia - visual defect in which the shape and size of an ocular image differ in the two eyesaniseikonia - visual defect in which the shape and size of an ocular image differ in the two eyes
vision defect, visual defect, visual disorder, visual impairment - impairment of the sense of sight
References in periodicals archive ?
5) Driving with the implant is considered a contraindication due to aniseikonia.
A condition in which the image seen by one eye differs in size and shape from that seen by the other, aniseikonia doesn't need to be referred unless the difference is greater than 2 mm, which suggests underlying pathology.
Some younger patients are reluctant to wear spectacles, especially if they are anisometropic and have functional vision in one eye, as the aniseikonia induced by spectacle magnification can be an uncomfortable visual challenge.
The right eye was fitted with an extended wear contact lens to provide the best vision by eliminating the effects of anisometropia and aniseikonia.
Spectacle wearers with a large degree of anisometropia and good visual acuities may experience aniseikonia.
Professor Evans also promoted the benefits of contact lenses for correcting anisometropia by reducing differential prismatic effects and mitigating aniseikonia.