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Choroidal dystrophies

Definition

Choroidal dystrophy is an eye disorder involving the choroid, a layer of blood vessels between the sclera and retina.

Causes, incidence, and risk factors

Choroidal dystrophies are usually due to an abnormal gene (hereditary). It usually affects males, starting in childhood.

Symptoms

The first symptoms are peripheral vision loss and vision loss at night.

Signs and tests

An eye surgeon who specializes in the back of the eye (retina specialist) diagnoses choroidal dystrophies. The following tests may be needed to diagnose the condition:

Treatment

Choroidal dystrophies are usually treated with observation.

References

Grover S, Fishman GA. Choroidal dystrophies. In: Yanoff M, Duker JS, eds. Ophthalmology. 3rd ed. St. Louis, Mo: Mosby Elsevier; 2008:chap 6.


Review Date: 10/27/2009
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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