Retinal degeneration is a hereditary eye disease, and retinitis pigmentosa is one of the retinal degenerations. 1. Retinal Degeneration: Retinal Degeneration is mainly caused by family inheritance, it is a general term for a series of diseases, the common clinical features are narrowing of field of vision, night blindness, photoreceptor dysfunction, etc. Retinal Degeneration diseases include Retinitis Pigmentosa, Crystalline Retinal Degeneration, Leuko-papillary Retinal Degeneration, Stargardt Disease and so on. 2. Retinitis pigmentosa: Retinitis pigmentosa is a type of retinal degeneration, which is often characterized by night blindness, progressive narrowing of the visual field, loss of peripheral vision, etc. The examination reveals “osteoblast”-like pigmentation of the retina. If retinal degeneration or retinitis pigmentosa exists, it is necessary to go to the hospital as soon as possible to clarify the specific type of the disease and to treat the cause to prevent the progression of the disease.