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Choroidal dystrophies

Definition

Choroidal dystrophy is an eye disorder that involves a layer of blood vessels called the choroid. These vessels are between the sclera and retina.

In most cases, choroidal dystrophy is due to an abnormal gene, which is passed down through families. It most often affects males, starting in childhood.

The first symptoms are peripheral vision loss and vision loss at night. An eye surgeon who specializes in the retina (back of the eye) can diagnose this disorder.

Alternative Names

Choroideremia; Gyrate atrophy; Central areolar choroidal dystrophy

Exams and Tests

The following tests may be needed to diagnose the condition:

Images

External and internal eye anatomy

References

Genead MA, Fishman GA, Gover S. Hereditary choroidal diseases. In: Ryan SJ, Sadda SR, Hinton DR, Schachat AP, et al, eds. Retina. 5th ed. Philadelphia, PA: Elsevier Saunders; 2013:chap 43.

Grover S, Fishman GA, Ganead MA. Choroidal dystrophies In: Yanoff M, Duker JS, eds. Ophthalmology. 4th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 6.15.

Review Date: 
11/4/2015
Reviewed By: 
Franklin W. Lusby, MD, ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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