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球后麻醉是在眼球肌锥内注入麻醉药阻滞睫状神经节及睫状神经。可麻醉结膜、角膜及前葡萄膜，同时可以降低眼肌张力，并使眼眶内血管收缩，有降眼压的作用，是眼部手术的主要麻醉手段。利多卡因麻醉止痛效果好，作用迅速。布比卡因作用时间长，等量混合应用术后反应轻，但...
Anesthesia after the ball injection of narcotic drugs in the eye muscle block ciliary ganglion and ciliary nerve. Can be anesthetized conjunctiva, cornea and the former uvea, while reducing ocular tension, and orbital vasoconstriction, ocular hypotensive effect is the main anesthetic means of eye surgery. Lidocaine anesthesia analgesic effect, the role of rapid. Bupivacaine role for a long time, the same amount of mixed application of postoperative reaction light, but ...