一、麻醉:翻转眼睑,针头由上睑板上缘中央部刺入,并由中央部向外眦及内眦方向扇形注入含肾上腺素的2%普鲁卡因2～3毫升,使药液浸润于睑板与肌肉、穹窿部结合膜与皮下组织之间。若麻醉效果欠佳,可再于睑缘皮下再注入1毫升普鲁卡因。二、切口:正确而稳妥地翻转眼睑并作好固定。初做者可用角膜板及缝线牵制固定。切口应在离睑缘2毫米的睑板沟,内侧离开泪点, First, the anesthesia: flip eyelid, the needle from the upper edge of the upper edge of the tarsal piercing, and by the central part of the outer 眦 and inner 眦 fan-shaped injection of 2% procain 2% procaine, so that the liquid Infiltrated in the tarsal and muscles, the vault between the membrane and the subcutaneous tissue. If anesthesia is not good, you can then subcutaneous injection of 1 ml of procaine subcutaneously. Second, cut: Correct and secure flip eyelids and make a fixed. Initial use of corneal plate and suture can be fixed. The incision should be 2 mm away from the eyelid tarsus tarsal groove, inside leaving the punctum,