手术用药。术前服双氢克尿塞25～50毫克,醋氮酰胺250毫克,术中快速静脉滴注20%甘露醇250毫升。局部麻醉关键是球后麻醉,应尽量降低眼压,使眼球软化。采用2%利多卡因2～3毫升,加入透明质酸酶及少许肾上腺素,间断指压眼球5～0分钟。外皆切开,断离外直肌,肌腱附着点缝牵引缝线,使眼球尽量转向鼻侧,在赤道部平行角膜缘半 Surgical medication. Preoperative hydrochlorothiazide 25 to 50 mg, 250 mg of aztreonamide, intraoperative rapid intravenous infusion of 20% mannitol 250 ml. The key is the local anesthesia anesthesia after the ball, should try to reduce intraocular pressure, so that the eye softens. Using 2% lidocaine 2 ~ 3 ml, adding hyaluronidase and a little adrenaline, intermittent acupressure eye 5 to 0 minutes. All are open, off the lateral rectus muscle, tendon attachment point seam traction suture, so that the eye turned to the nasal side, parallel to the equator in the equatorial limbus half