视神经 shìshénjīng optic nerve Origin Definitions Defs Strokes Stroke Words Sentences Sents 视神经乳头 shìshénjīngrǔtóu optic disk the terminal point of the optic nerve on the retina视神经盘 shìshénjīngpán optic disk optic disk; the point on the retina where the optic nerve connects to the eye