coloboma of optic nerve视神经: optic nerve; nervus opticus视神经缺损,视神经乳头缺损: collyriculum of optic disk; collyriculum of optic nerve先天性视神经缺损: congenital coloboma of optic nerve神经缺损指数: nerve deficit index永久性神经缺损: permanent neurologic deficit下载手机词典可随时随地查词查翻译