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本文就８２例９０眼老年性白内障按均衡原则分３组，分别行３２ｍｍ巩膜隧道切口白内障超声乳化吸出（ｐｈａｃｏｅｍｕｓｉｆｉｃａｔｉｏｎａｓｐｉｒａｔｉｏｎ，简称ＰＥＡ）联合折叠式人工晶体（ＩｎｔｒａｏｃｕｌａｒＬｅｎｓ，简称ＩＯＬ）植入；６ｍｍ切口ＰＥＡ联合光学直径５７５ｍｍ的ＩＯＬ植入及１２ｍｍ角膜缘切口白内障囊外摘除术（Ｅｘｔｒａｃａｐｓｕｌａｒｃａｔａｒａｃｔｅｘｔｒａｃｔｉｏｎ，简称ＥＣＣＥ）联合光学直径６ｍｍＩＯＬ植入。术后定期观察至６个月。术后１个月时，３２ｍｍ切口组手术性散光（Ｓｕｒｇｉｃａｌｙｉｎｄｕｃｅｄａｓｔｉｇｍａｔｉｓｍ，简称ＳＩＡ）小于６ｍｍ切口组（Ｐ＜００１）；术后３个月时，两组ＳＩＡ无统计学差异（Ｐ＞００５）。６ｍｍ切口组与１２ｍｍ切口组术后比较ＳＩＡ，术后各时期观察，ＳＩＡ均小于１２ｍｍ切口组。本文还就三组ＳＩＡ在术后不同时期的ＳＩＡ量及轴线变化进行了分析。
In this paper, 82 eyes (90 eyes) with age-related cataract were divided into 3 groups according to the principle of equalization. Phacoemusification aspiration (PEA) and intraocular lens (IOL) implantation were performed in 3 2 mm scleral tunnel incision respectively. PEA combined IOL implantation with a diameter of 575mm and extracapsular cataract extraction (ECCE) with a diameter of 6mmIOL. Regular observation to 6 months after surgery. At 1 month after operation, surgical ossification (Surgical asynchronized astigmatism, SIA) was less than 6mm incision group (P <001) at 32mm incision group. There was no significant difference in SIA between the two groups at 3 months after operation (P> 0 05). SIA was compared between 6mm incision group and 12mm incision group, and the SIA was less than 12mm incision group after operation. This article also SIA in three groups at different times after the SIA volume and axis changes were analyzed.