Journal of the Korean Ophthalmological Society 2000;41(10):2198-2204.
Published online October 1, 2000.
Quantitative Analysis of Anterior Capsule Opening after PMMA, Silicone and Acrylic Intraocular Lens Implantation.
Hee Jong Cheon, Tae Min Baek, Kyung Hun Lee
St.Mary's Eye Hospital, Inc, #1078-7 U2-dong, Haeundae-ku, Pusan, 612-022, Korea.
세가지 인공 수정체의 후낭내삽입술 후 전낭 절개면적의 정량적 변화 비교
천희종(Hee Jong Cheon),백태민(Tae Min Baek),이경헌(Kyung Hun Lee)
Abstract
To quantify the periodic changes in the area of anterior capsule opening after cataract surgery and to compare any difference between polymethylmethacrylate (PMMA), silicone and soft acrylic IOLs, we prospectively studied 442 patients (465 eyes)who were operated from September 1997 to November 1999 at our hospital.All patients had standardized phacoemulsification, continuous curvilinear capsulorhexis, and intraocular lens implantation performed by the same surgeon.Patients were randomized into three groups based on the type of intraocular lens.The area of anterior capsule opening was quantitated using the Anterior Eye Segment Analysis System (EAS-1000), and examinations were performed at 1 week and 1, 3 and 6 months after surgery.The mean anterior capsular opening area at 1, 3 and 6 months postoperatively was smaller than that of 1 week in all 3 groups (P<.05)and the mean percentage of reduction in the PMMA and soft acrylic intraocular lens groups was significantly smaller than that in the silicone intraocular lens group at 1, 3 and 6 months after surgery (P<.05).In the silicone group, the contraction of the anterior capsule opening was greater than either PMMA or soft acrylic intraocular lens groups.Further studies will be needed for the evaluation of clinical application of silicone and soft acrylic intraocular lens.
Key Words: Anterior capsule opening area;Anterior eye segment analysis system (EAS-1000);PMMA, Silicone;Soft Acrylic intraocular lens


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