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성민철,김명준,최철영,차흥원,Mincheol Seong,M,D,Myoung Joon Kim,M,D,Chul Young Choi,M,D,Hungwon Tchah,M,D 대한안과학회 2006 대한안과학회지 Vol.47 No.9
Purpose: To compare the clinical results of single-piece hydrophilic acrylic intraocular lenses (IOL) (Akreos AdaptTM, B&L) with those of three-piece hydrophobic acrylic IOL (Sensar?, AMO) after cataract surgery. Methods: This study was a prospective case-control study in which Akreos lenses were implanted for the experimental group and Sensar lenses were implanted for the control group. All surgical procedures were performed by the same surgeon. Best corrected visual acuity (BCVA), change of anterior chamber depth, degree of posterior capsule opacification (PCO), higher-order aberration, and contrast sensitivity (CS) were examined. Measurements were performed by masked examiners prior to the surgery and at 1 week, 1 month, 3 months, and 6 months, postoperatively. Results: There were no statistically significant differences in BCVA, CS or PCO between the two groups. The Refractive error was -0.17±0.67D in the experimental group and -0.02±0.41D in the control group at 6 months, postoperatively. During the first postoperative month, forward movement of both IOLs was detected. Afterward, both IOLs moved backwards until 6 months. Fourth-order spherical aberrations were significantly higher in the Akreos group (p<0.05) at 1 month, 3 months, and 6 months, postoperatively. Conclusions: The clinical results for Akreos IOL and Sensar IOL were similar in most aspects.
가변각막보정 주사레이져편광측정기를 이용한 국소 시야 결손을 가지는 녹내장 환자의 진단
조현수,성민철,국문석,Hyun-Soo Cho,M,D,Min-Cheol Seong,M,D,Michael S,Kook,M,D 대한안과학회 2005 대한안과학회지 Vol.46 No.9
Purpose: To evaluate the ability of scanning laser polarimetry parameters and a novel deviation-map algorithm to discriminate between healthy and early glaucomatous eyes with localized visual field defects confined in one hemifield. Methods: In this prospective case-controlled study, 61 glaucomatous eyes with localized visual field defects and 66 normal controls were enrolled. Humphrey field analyzer 24-2 glaucoma hemifield test and scanning laser polarimetry (GDx-VCC?) were used. Results: There were significant differences in the mean parametric values of TSNIT average, superior average, inferior average, and TSNIT SD (P<0.05) between the glaucoma group and normal subjects. The sensitivity of each GDx-VCC variable was as follows: TSNIT average, 47.5%; superior average, 31.1%; inferior average, 47.5%; and TSNIT SD, 24.6% (when abnormal was defined as P<0.05). The overall sensitivities combining each probability scale and severity score at 80%, 90%, and 95% specificity were 90.2%, 72.1%, and 59%, respectively. There was a statistically significant correlation between the GDx-VCC severity score and the visual field severity score (P<0.05). Conclusions: GDx-VCC parameters may not be sufficiently sensitive to detect glaucomatous patients with localized visual field damage. Our algorithm using the GDx-VCC deviation map may enhance the understanding of GDx-VCC in terms of the locality, deviation size, and severity of localized RNFL defects in eyes with localized visual field loss.