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Video: Heterochromia Of The Iris - Glossary Of Medical Terms
2024 Author: Rachel Wainwright | [email protected]. Last modified: 2023-12-15 07:39
Heterochromia of the iris
Heterochromia of the iris (heterochromia; Greek heteros - different, different + chroma - color, color; synonym: heterophthalmos) - unequal color of the iris of the left and right eyes or a dissimilar color of different parts of the iris of one eye.
Types of iris heterochromia:
- secondary (secundaria) - caused by an eye disease;
- complicated (synonym: Fuchs syndrome) - a disease of unclear etiology, manifested in addition to heterochromia of the iris by the development of cataracts and dystrophic changes in the ciliary body;
- primary (primaria) - caused by a congenital iris pigmentation pathology;
- simple (simplex) - not accompanied by other eye disorders;
- sympathetic (sympathica) - secondary heterochromia arising from disorders of the neurotrophic action of the sympathetic nervous system; it is noted mainly against the background of congenital lesions of the cervical sympathetic nerve.
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