J Korean Ophthalmol Soc > Volume 48(11); 2007 > Article
Journal of the Korean Ophthalmological Society 2007;48(11):1479-1486.
DOI: https://doi.org/10.3341/jkos.2007.48.11.1479    Published online November 30, 2007.
Changes in Anterior Chamber Depth and Refraction after Accommodative Intraocular Lens Implantation.
Jae Hui Kim, Chun Sung Park, Eui Sang Chung, Tae Young Chung
Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. tychung@smc.samsung.co.kr
조절인공수정체를 이용한 백내장 수술 후 측정한 전방깊이 및 굴절값의 변화
김재휘,박준성,정의상,정태영
Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
Correspondence:  Tae-Young Chung, M.D.
Abstract
PURPOSE
To evaluate the change in anterior chamber depth and refraction after AT-45 implantation METHODS: Twenty-two eyes from 22 patients were enrolled in this prospective study. After phacoemulsification, AT-45 (11 eyes) and SA60AT (11 eyes) were implanted. Clinical data included anterior chamber depth and refractive error at 1 week, 1 month, 2 months and 6 months postoperatively. The correlation between anterior chamber depth change and spherical equivalent change was also evaluated. RESULTS: In the AT-45 implanted group, the mean anterior chamber depth was 4.56+/-0.59 mm at 1 week postoperative, 4.70+/-0.69 mm at 1 month postoperative, 4.78+/-0.71 mm at 2 months postoperative and 4.76+/-0.69 mm at 6 months postoperative. The mean spherical equivalent was -0.53+/-0.48D, -0.37+/-0.42D, -0.27+/-0.47D, and -0.33+/-0.44D respectively. When analyzed using the Mann-Whitney U test, p-values of anterior chamber depth differences between the 2 groups were P=0.52 at 1 week to 1 month, P=0.32 at 1 month to 2 months, P=0.89 at 2 months to 6 months, and P=0.02 at 1 week to 6 months, showing a deeper anterior chamber in the AT-45 implanted group. P-values (Mann-Whitney U test) of spherical equivalent differences between the 2 groups were P=0.33, P=0.56, P=0.94, and P=0.19, respectively, showing more hyperopic change in the AT-45 implanted group. The correlation between anterior chamber depth change and spherical equivalent change in the AT-45 implanted group at 1 week to 6 months was not statistically significant (Spearman correlation analysis, P=0.223). CONCLUSIONS: Anterior chamber depth deepening and associated hyperopic refractive change were observed after AT-45 implantation, especially at 1 month after the surgery.
Key Words: Accommodative IOL;Anterior chamber depth;AT-45;Crystalens;Refraction


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