History of ophthalmology: sub auspiciis academiae ophthalmologicae internationalis
Éditeur :
Kluwer Academic Publishers
ISBN :
9780792308263
Date de publication :
30 juin 1990
Dimensions :
23,5 x 15,5 cm
Langue :
Anglais
Pays d'origine :
USA
When the eyeball is indented in total darkness, within less than 200 mil liseconds an oval or quarter-moon shaped spot of light is perceived in the part of the visual field corresponding to the indented region of the retina.