The patient was a 55-year-old male. He went to the Department of Ophthalmology, Baodi District People's Hospital, Tianjin because of visual loss and visual deformation of his left eye for 3 months. He had night blindness and color vision disorder at an early age, and denied his family history of disease and his parents' history of close marriage. Eye examination: the visual acuity was 0.5 in the right eye and 0.1 in the left eye, and there was no improvement in correction; IOP normal; No obvious abnormalities were observed in the anterior segment of both eyes; For both fundus, seeQuintessence Picture 1。 Coherence light tomography examination is shown inQuintessence Picture 2。 Electroretinogram showed that the amplitude of A and b waves in both eyes decreased. Clinical diagnosis: White dot retinal degeneration combined with wet age-related macular degeneration in both eyes; Choroidal neovascularization in the macular region of the left eye.