| 视神经乳头 | [视 神 经 乳 头 / 視 神 經 乳 頭] optic disk (terminal of the optic nerve on the retina) [Add to Longdo] |
| 视神经盘 | [视 神 经 盘 / 視 神 經 盤] optic disk (terminal of the optic nerve on the retina) [Add to Longdo] |
| blind spot | (n) the point where the optic nerve enters the retina; not sensitive to light, Syn. optic disc, optic disk |