Reflections of light from the ocular fundus.
D000293:Adolescent; D000328:Adult; D001927:Brain Diseases / Q000473:pathology / Q000503:physiopathology; D002648:Child; D002675:Child, Preschool; D005654:Fundus Oculi; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007427:Intracranial Pressure; D008027:Light; D009887:Ophthalmoscopy; D055095:Optics and Photonics