Aniseikonia
Aniseikonia
Aniseikonia (/ˌænɪsaɪˈkoʊniə/; from the Greek: an- not, iseikōn- equal, onia- condition) is a medical condition where the patient perceives images of different sizes or shapes with each eye. This condition can be caused by a significant difference in the refractive power of one eye compared to the other (refractive aniseikonia) or a difference in the size or shape of one eye (structural aniseikonia).
Causes
Aniseikonia can be caused by a variety of factors, including astigmatism, myopia, hyperopia, cataract surgery, retinal detachment surgery, and macular degeneration. It can also be a result of anisometropia, a condition where the two eyes have unequal refractive power.
Symptoms
Symptoms of aniseikonia can include diplopia (double vision), asthenopia (eye strain), headache, dizziness, and difficulties with depth perception and spatial orientation.
Treatment
Treatment for aniseikonia typically involves the use of corrective lenses or contact lenses that can help to equalize the perceived image size. In some cases, surgery may be required to correct the underlying cause of the condition.
See also
References
External links
- Medical encyclopedia article on Aniseikonia
- Wikipedia's article - Aniseikonia
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