Landry R A
J Cataract Refract Surg. 1987 Jul;13(4):421-3. doi: 10.1016/s0886-3350(87)80043-3.
The positioning holes in posterior chamber intraocular lenses (IOLs) are the source of many complaints from postoperative cataract patients with well-placed posterior chamber IOLs and otherwise excellent surgical results. Factors influencing which patients are most bothered are (1) size and reactivity of the pupil, (2) distance between the posterior surface of the iris and the anterior surface of the IOL, and (3) diameter of the IOL's clear optical zone. Eliminating the positioning holes is the best way to reduce or prevent the unwanted effects of these lenses.
后房型人工晶状体（IOL）上的定位孔是许多术后白内障患者抱怨的源头，这些患者植入的后房型IOL位置良好且手术效果极佳。影响哪些患者受影响最大的因素包括：（1）瞳孔的大小和反应性；（2）虹膜后表面与IOL前表面之间的距离；（3）IOL透明光学区的直径。消除定位孔是减少或预防这些晶状体不良影响的最佳方法。
