Alternative titles and symbols : Exudative vitreoretinopathy, familial, autosomal dominant; Fevr, autosomal dominant; Criswick-schepens syndrome;
Included titles and symbols : Retinopathy of prematurity; ROP;
Description : Familial exudative vitreoretinopathy (FEVR) is an inherited disorder characterized
by the incomplete development of the retinal vasculature. Its clinical appearance
varies considerably, even within families, with severely affected patients often registered
as blind during infancy, whereas mildly affected patients with few or no visual problems
may have such a small area of avascularity in their peripheral retina that it is visible
only by fluorescein angiography. It is believed that this peripheral avascularity
is the primary anomaly in FEVR and results from defective retinal angiogenesis. The
sight-threatening features of the;
Inheritance : Autosomal dominant;
Molecular basis : Caused by mutation in the frizzled 4 gene (FZD4, 604579.0001);