眼睛是人类的重要器官,它位于头面部的正中,极易受到异物的伤害。眼内异物最常见的是金属屑、煤渣、砂粒、灰尘、谷类、麦芒、小飞虫和睫毛等。异物进入眼内最常见的部位是结膜和角膜等。一般角膜异物较易发现;结膜异物常附在上睑结膜面,尤其多在睑板下沟部位,必须翻转上睑检查才能发现;而比较大的异物常隐藏在穹窿部结膜囊内, The eye is an important human organ, it is located in the middle of the head and face, vulnerable to foreign body damage. Intraocular foreign body is the most common metal shavings, cinders, sand, dust, cereals, wheat, insects and eyelashes and so on. Foreign body into the eye the most common parts of the conjunctiva and cornea. Common corneal foreign body more easily found; conjunctival foreign body often attached to the upper conjunctiva surface, especially in the lower tarsal sulcus, must be turned over the upper eyelid examination can be found; the larger foreign body often hidden in the fornix conjunctival sac,