title: THE NORMAL OPTIC DISC. OPHTHALMOSCOPIC AND PHOTOGRAPHIC STUDIES.
mesh_terms: D000293:Adolescent; D002648:Child; D005654:Fundus Oculi; D005853:Geriatrics; D006801:Humans; D009887:Ophthalmoscopy; D009898:Optic Disk; D010781:Photography; D010827:Physiology; D013223:Statistics as Topic
keywords: ADOLESCENCE; CHILD; FUNDUS OCULI; GERIATRICS; OPHTHALMOSCOPY; PHYSIOLOGY; STATISTICS