球后注射是眼科的一种常用的治疗方法,通过该方法可使药物在晶状体虹膜隔以后部位达到治疗浓度[1],常用于内眼手术的麻醉及眼球后部疾病的局部治疗。球后注射技术性强,危险性大,可出现多种并发症如一过性复视、黑蒙、球后出血、下睑皮下出血肿胀及视神经损伤等,其中最多见的并 Posterior approach is a commonly used ophthalmological method of treatment by which the drug reaches the therapeutic concentration at the posterior segment of the lens iris [1] and is commonly used for local ophthalmic anesthesia and local treatment of posterior eye diseases. Posterior ball injection technology is strong, dangerous, there may be a variety of complications such as transient diplopia, amaurosis, bleeding after the ball, lower eyelid subcutaneous hemorrhage and optic nerve injury, the most common and