Lateral and longitudinal magnification in direct and indirect ophthalmoscopy.
D000360:Afterimage; D005654:Fundus Oculi; D006801:Humans; D007089:Image Enhancement; D008433:Mathematics; D008722:Methods; D008954:Models, Biological; D009887:Ophthalmoscopy; D055095:Optics and Photonics; D012160:Retina / Q000033:anatomy & histology