Genetic aspects in gyrate atrophy of the choroid and retina with hyperornithinaemia.

The relative importance of genetic degenerative eye lesions as causes of blindness or im- paired vision has increased because of the lack of effective treatment for such conditions as compared with other diseases. Related to the large and not very well-defined group of degenerative eye lesions termed tapeto-retinal degenerations, is a choroidal form known as gyrate atrophy of the choroid and retina.