Crystalline retinopathy (Bietti's tapetoretinal degeneration without marginal corneal dystrophy).
D000293:Adolescent; D000328:Adult; D001774:Blood Chemical Analysis; D003623:Dark Adaptation; D004596:Electroretinography; D005451:Fluorescein Angiography; D006801:Humans; D008297:Male; D009887:Ophthalmoscopy; D012162:Retinal Degeneration / Q000175:diagnosis* / Q000235:genetics; D013577:Syndrome; D014792:Visual Acuity