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 back of the eye (retina specialist) can diagnose this disorder.
Choroideremia; Gyrate atrophy; Central areolar choroidal dystrophy
Exams and Tests
The following tests may be needed to diagnose the condition:
Noble KG. Pathogenesis of cataracts. In: Tasman W, Jaeger EA, eds. Duane's Foundations of Clinical Ophthalmology. 2013 ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2013: vol 2, chap 113.
Grover S, Fishman GA, Ganead MA. Choroidal dystrophies In: Yanoff M, Duker JS, eds. Ophthalmology. 4th ed. St. Louis, Mo: Mosby Elsevier; 2013:chap 6.