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Heterochromia of the iris: causes, symptoms, diagnosis, treatment
Alexey Portnov, medical expert
Last reviewed: 23.04.2024
Last reviewed: 23.04.2024
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Congenital heterochromia of the iris
- Melanocytosis of the eye.
- Eye-skin melanocytosis.
- Sectoral hamartoma of the iris.
- Congenital Horner's syndrome (ipsilateral hypopigmentation, miosis and ptosis).
- The syndrome of Waardenburg:
- autosomal dominant form I - telecanthus, protruding root of the nose, partial albinism (white locks of hair), deafness; the locus of the gene - on the chromosome 2q37.3;
- autosomal dominant form II - analogous to form I manifestations, accompanied by malformations of the face; the locus of the gene is on the chromosome section of Sp12-p14.
- Sectoral heterochromy of the iris can be associated with Hirschsprung disease.
- Pathological changes in the iris, characterized by focal pigmentation, heterogeneous in its structure; ectropion.
[Acquired heterochromia of the iris
- Chronic uveitis.
- Infiltration (leukemia, other tumors).
- Siderosis in the presence of an intraocular foreign body containing iron.
- Hemosiderosis (long-existing hyphema).
- Heterochromic cyclite Fuchs (Fuchs) (the iris on the side of the lesion acquires a lighter color).
- Juvenile xanthogranulem.
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