The patient was a 43-year-old female. He went to Henan Provincial Eye Hospital because of pain in both eyes and no vision for 4 months. Previous history of diabetes for 5 years, poor control of blood glucose concentration. Full body physical examination: All body skin and hair are non-pigmented. Eye examination: visual acuity is no light sensing in the right eye and light sensing in the left eye; IOP was 48.7 mmHg (1 mmHg =0.133 kPa) in the right eye and 32.1 mmHg in the left eye. The skin and eyelashes of both eyelids are non-pigmented, and nystagmus; conjunctival hyperemia and edema; See Quintessence Picture 1 for the anterior segment of both eyes; See Essence Picture 2 for both fundus conditions. Clinical diagnosis: type 2 diabetes mellitus; Albinism; diabetic retinopathy of right eye; Neovascular glaucoma of both eyes.