In retrobulbar anesthesia group, there were higher rates of complications, such as retrobulbar hemorrhage, subcutaneous hemorrhage of eyelid, globular conjunctival edema and blepharostenosis. compared to surface anesthesia group ( P < 0. 01). 球后麻醉组中:球后出血、眼睑皮下出血、球结膜水肿及睑裂狭窄等发生率明显高于表面麻醉组(P<0.01),1例发生球后出血,1例发生一过性黑蒙。