无缝线切口二期后房型人工晶状体植入术疗效观察

目的评价无缝线切口二期后房型人工晶状体植入术的疗效。方法对 ２２眼无晶状体眼患者分别采用３．５ ｍｍ（Ａ组 １０眼）及 ５．５ ｍｍ（Ｂ组 １２眼）的反眉状巩膜隧道切口，二期植入 ６ ｍｍ折叠式丙烯酸脂类及一体式 ＰＭＭＡ后房型人工晶状体，并与同期 １２眼６ ｍｍ常规角膜缘切口（Ｃ组），二期 ６ ｍｍ一体式 ＰＭＭＡ后房型人工晶状体植人对比。结果随访 ３～１５个月，无缝线切口组术后矫正视力均优于及等于术前最佳矫正视力，其中≥０．５者 Ａ组 ９眼（９０％），Ｂ组 ９眼（７５％）。缝线切口组，术后矫正视力优于及等于术前最佳矫正视力１０眼（８３． ５％）， ≥０．５者７眼（５８．３％）。结论采用无缝线切口二期后房型人工晶状体植人可明显降低角膜散光，减轻术后炎症反应及增加手术的安全性，是矫正无晶状体眼屈光不正的一种较理想的方法。

Sutureless incision for secondary posterior chamber intraocular lens implantation

Objective To evaluate the effect of sutureless incision for secondary posterior chamber intraocular lens(IOL) implantation. Methods An antisupetciliary scleral tunnel incision in 22 aphakic eyes were separately taken with 3. 5mm (group A 10 eyes) and 5. 5mm(group B 12 eyes). Secondary 6 mm foldable acrylic and an integral PMMA (polymethylmetha - cnjlate) posterior chamber IOL were implanted. In the same period, a conventional 6 mm limbal incision in group C (12 eyes ) was taken and a secndary 6 mm integral PMMA posterior chamber IOL was implanted. The effects of the two procedures were compared. Results After a follow-up survey over 3-15 months, the sutureless incision group achieved a postoperative corrected visual acuity better than or equal to the best corrected visual acuity before the surgery. 9 of group A eyes(90% ) and 9 of the group B eyes(75% ) achieved a corrected visual 0. 5 or better. In the suture incision group, the postoperative corrected visual acuity was equal to or better than the best corrected visual acuity of the preoperation in 10 eyes (83. 5% ); corrected visual acuity 0. 5 or better in 7 eyes(58. 3%). Conclusion The sutureless incision for secondary posterior chamber IOL implantation can not only clearly decrease cornea astigmatism,but also reduce the postoperative inflammatory reaction and increase the safety of operation. It is a good method to correct ametropia of the aphakic eyes.