白内障摘除术是眼科常见的复明手术之一,在晶状体被摘除后,保持圆瞳孔是保存视功能的重要步骤之一。如果手术后瞳孔上移,视功能会受到影响,其原因是眼底所呈形象不能在黄斑区聚焦。故对如何防止白内障摘除手术后瞳孔移位是值得探讨的一个带有普遍意义的课题。我们现在从手术前准备,手术中注意事项,手术后如何防止三个方面来分析。 Cataract extraction is one of the most common ophthalmologic surgeries. After the lens is removed, keeping the circular pupil is one of the important steps in preserving visual function. If the pupil moves upward after surgery, visual function will be affected, the reason is that the ocular fundus image can not be focused in the macular area. So how to prevent cataract surgery after cataract removal is worth exploring a topic of general significance. We now from the preoperative preparation, surgical precautions, how to prevent three aspects after surgery to analyze.