球后注射是眼科局部麻醉、治疗球后疾病的主要给药途径，它可使药物直接作用于眼球后部及视神经处，提高药物在眼内浓度而达到治疗目的。但如果操作不熟练，没有很好地掌握操作技巧，常给病人造成恐惧心理，并出现眼睑水肿，球后出血等现象，为了避免这些不良反应，笔者经多年 Posterior ball injection is a local eye ophthalmic anesthesia, the main route of treatment of the ball after drug delivery, it can make drugs directly on the back of the eye and the optic nerve at the drug concentration in the eye to achieve therapeutic purposes. However, if the operation is not proficient, there is no good grasp of operating skills, often causing fear to the patient, and eyelid edema, bleeding after the ball phenomenon, in order to avoid these adverse reactions, the author after many years