A.嗅神經(jīng) B.視神經(jīng) C.動眼神經(jīng) D.滑車神經(jīng) E.三叉神經(jīng)
A.視乳頭處有篩板覆蓋 B.視乳頭處無神經(jīng)纖維 C.視乳頭處無視細(xì)胞 D.視乳頭處有中央血管穿過 E.視乳頭處無色素上皮層
A.0.3mm B.0.4~0.6mm C.0.6~0.8mm D.0.8~1.0mm E.1mm