Direct ophthalmoscopy without reflexes and an experimental model of a photographic ophthalmoscope.
D006801:Humans; D008962:Models, Theoretical; D019721:Ophthalmoscopes; D009887:Ophthalmoscopy / Q000295:instrumentation*; D010781:Photography / Q000295:instrumentation*
OPHTHALMOSCOPY; OPHTHALMOSCOPY/apparatus and instruments; PHOTOGRAPHY/apparatus and instruments