一、结膜异物结膜异物常贴子上睑结膜上,多见于睑板下沟处。检查时必须充分暴露穹窿部,以免漏诊。处理: (一)常见的细小异物,如灰尘、细砂、睫毛粘附于球结膜或睑结膜表面者,一般滴1～2滴0.5～1％地卡因表面麻醉后,用蘸湿的生理盐水棉签轻轻擦去即可。 (二)异物较多时,可用生理盐水冲洗结膜囊,以清除异物。必要时 First, the conjunctiva foreign body conjunctiva often posted on the conjunctiva upper conjunctiva, more common in the tarsal Department under the tarsus. Examination must be fully exposed fornix in order to avoid misdiagnosis. Treatment: (A) common small foreign bodies, such as dust, fine sand, eyelashes stick to the conjunctiva or conjunctiva surface, usually 1 to 2 drops of 0.5 to 1% Saline cotton swab gently wipe it. (B) foreign body more, available saline flush conjunctival sac, to remove foreign body. when necessary