NCIt definition : An autosomal dominant condition caused by mutation in the C1QTNF5 gene, encoding complement
C1q tumor necrosis factor-related protein 5. It is characterized by dark adaptation
abnormalities, sub-retinal pigment epithelium lipid-rich material deposits, choroidal
neovascularization, and chorioretinal atrophy. The typical onset is in the fifth or
sixth decade of life.;