A.先天性遺傳性缺陷B.繼發(fā)于眼瞼損傷C.眼瞼手術(shù)時切去皮膚過多D.犬的年齡過大
A.麥粒腫B.眼瞼內(nèi)翻C.眼瞼外翻D.青光眼
A.動眼神經(jīng)B.滑車神經(jīng)C.外展神經(jīng)D.面神經(jīng)