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为观察后房人工晶状体植入术中角膜后弹力层脱离发生原因和处理措施，在显微镜下对621例（643例）后房人工晶状体植入术病人在术中和术后进行了观察，并将后弹力层脱离分为4级记录。其中42眼发生不同程度的后弹力层脱离，发生率为6．53％。经正确处理后未发生严重并发症。认为手术中正确的切口位置和减少器械反复进入眼内是防止后弹力层脱离的重要因素，对高龄病人尤为重要。
To observe the cause and treatment of corneal descension in the posterior chamber intraocular lens implantation, 621 cases (643 cases) of posterior chamber intraocular lens implantation under the microscope were observed intraoperatively and postoperatively After the elastic layer is divided into four records. Among them, 42 eyes had different degrees of posterior elastic layer detachment, the incidence was 6.53%. After the correct treatment did not occur serious complications. That the correct operation of the incision position and reduce the repeated entry of equipment into the eye is to prevent the elastic layer detachment of an important factor in elderly patients is particularly important.