Retinopathy includes retinal vascular disease, macular disease, retinal detachment, retinitis pigmentosa, retinoblastoma, etc. The causes of retinopathy are different. 1. Retinal vascular disease: the causes of retinal artery obstruction include atherosclerosis, central retinal artery spasm, periarteritis of the central retinal artery, coagulopathy such as oral contraceptives, etc.; embolism, such as cardiogenic embolism, etc.; the causes of retinal vein obstruction include changes in the vessel wall, such as hypertension, etc.; changes in the rheology of the blood, such as diabetes mellitus, etc.; changes in the hemodynamics, such as cardiac insufficiency. 2. Macular diseases: the etiology of most macular diseases is not yet clear, and can be related to genetic, metabolic or nutritional factors, such as age-related macular degeneration, macular cystoid edema can be secondary to retinal vascular disease. 3. Retinal detachment: the causes of retinal detachment of foraminal origin include retinal tear formation, vitreous pulling and liquefaction; retinal detachment of pulling secondary to proliferative diabetic retinopathy, etc.; retinal detachment of exudative secondary to uveitis. 4. Retinitis pigmentosa: often a hereditary disease. 5. Retinoblastoma: a genetic disease, mostly occurring in infants and young children. The presence of retinopathy, need to consult the doctor in a timely manner, to identify the cause of the disease, symptomatic treatment.