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Diseases reference index «Choroidal dystrophies»

Choroidal dystrophies

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


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


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

Exams 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:

  • Electroretinography
  • Fluorescein angiography
  • Genetic testing


Choroidal dystrophies are usually treated with observation.