has part has part occurs in characteristic of has modifier pigmentation Abnormal retinal morphology Abnormal retinal pigmentation Any deviation from the normal pigmentation of the retina. This includes abnormalities of the pigmentation of the RPE and intraretinal pigment migration. An abnormality of the retina characterized by pigment deposition. It is typically associated with migration and proliferation of macrophages or retinal pigment epithelial cells into the neuroretina; melanin from these cells causes the pigmentary changes. Pigmentary retinopathy is a common final pathway of many retinal conditions and is often associated with visual loss. quality abnormal pigmented layer of retina