[Postchoroidal retinoschisis].

Abstract

In the past literature only 8 cases of postchoroidal retinoschisis have been described. Their characteristic finding is a cystic protrusion of the inner retinal layers within an area of post-choroiditic scarring. The lesion is unilateral, and usually located in the temporal or upper fundus periphery; no retinal defects are present, the vitreous is intact, and there is no tendency toward progression. The etiology appears to be different according to age: in patients under age 40, alterations of the glia may contribute to the cyst formation, in older patients, however, the combined damage of the choroidal and retinal vascular bed seem to lead to a retinoschisis.