This information is provided by the National Institutes of Health (NIH) Genetic and Rare Diseases Information Center (GARD).
Fuchs heterochromic iridocyclitis (FHI) is an unusual
form of chronic (long-lasting) uveitis. Uveitis is swelling and
irritation of the middle layer of
the eye. Diagnosis of FHI is considered in people with
floaters, vision loss, and heterochromia.
FHI often affects young adults and most often involves a single eye. People with
FHI are at risk for cataract, glaucoma, and vitreous opacity (clouding
of the jelly-like substance in the eyeball). The cause of
FHI is not known. Click here to view a diagram of the eye.
For more information, visit GARD.