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        백내장 수술 중 투명각막절개창 크기를 이용한 각막난시교정

        전소희,나경선,김만수.Sohee Jeon. MD. Kyung Sun Na. MD. Man Soo Kim. MD. PhD 대한안과학회 2010 대한안과학회지 Vol.51 No.4

        Purpose: To evaluate the effect of clear corneal incisional size on astigmatism during cataract surgery. Methods: Randomized prospective study of 78 patients (108 eyes) who had received cataract surgery for a corneal astigmatism over against-the-rule (ATR) 1.0 Diopter (D) was performed. The eyes were checked by corneal topography and autorefractor preoperatively and one week, one month, two months, and six months postoperative. Group 1 included patients who received an inserted foldable intraocular lens (IOL) through a 2.8 mm incision, and Group 2 included patients who underwent IOL implantation through a corneal incision enlarged to 4 mm. Results: Postoperative visual acuity showed a better visual acuity in Group 2 at both one week postoperatively (0.598±0.352 vs., 0.713±0.345, for Groups 1 and 2, respectively, p=0.046) and one month postoperatively (0.604±0.237 vs., 0.791±0.242, respectively, p=.043). There were no statistically significant differences between the groups after two and six months (p=.135, .087). Postoperative astigmatism measured by corneal topopgraphy showed 1.62±0.44D and, 0.94±0.30D for groups 1 and 2 respectively, (P=.045) at 2 months, and 1.73±0.45 D and, 0.92±0.34 D (P=.042) at six months. These results showed a statistically significant amount of residual astigmatism in Group 2. Autorefractor measurements showed similar results. There were no complications, such as wound leakage, resulting from the increased incision size. Conclusions: Widening of the incision during cataract surgery can reduce corneal astigmatism without significant complications. J Korean Ophthalmol Soc 2010;51(4):510-515

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