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避免在白内障摘出术中扰乱玻璃体,是减少视网膜脱离或黄斑囊样水肿等严重并发症的重要条件。因此,为保护玻璃体前界膜,许多医生喜用囊外摘出术或抽吸术。但当后囊明显混浊时,囊外手术仍需打开乃至除去后囊。以往依据后囊的情况及病人的年龄,分别使用后囊刺开、Nd-YAG激光囊膜切开、全囊膜切除、用剪刀或玻璃体切割器切除后囊,但这些囊膜切除法多会引起玻璃体完整性的明显破坏。为保持玻璃体完整,作者介绍一种后囊切除时玻璃体保护技术在
Avoiding disrupting the vitreous during cataract extraction is an important condition for reducing serious complications such as retinal detachment or cystoid macular edema. Therefore, to protect the vitreous anterior membrane, many physicians like to use extracapsular excision or aspiration. However, when the posterior capsule is clearly cloudy, extracapsular surgery still needs to be opened and even removed. In the past based on the situation of the posterior capsule and the age of the patient, posterior capsulotomy, Nd-YAG laser capsulotomy, total capsulotomy, scissors or vitrectomy were used to excise the posterior capsule, respectively. However, Cause significant damage to the integrity of the vitreous. In order to maintain the integrity of the vitreous, the authors describe a vitrectomy technique for posterior capsulotomy