J Korean Ophthalmol Soc > Volume 49(9); 2008 > Article
Journal of the Korean Ophthalmological Society 2008;49(9):1443-1452.
DOI: https://doi.org/10.3341/jkos.2008.49.9.1443    Published online September 15, 2008.
Changes of Anterior Chamber Depth and Angle After Cataract Surgery Measured by Anterior Segment OCT.
Dong Ho Chang, Seung Chan Lee, Kyung Hyun Jin
1Department of Ophthalmology, KyungHee University College of Medicine, Seoul, Korea. khjinmd@khmc.or.kr
2Department of Ophthalmology, Kangwon University College of Medicine, Gangwon, Korea.
전안부 빛간섭단층촬영을 이용한 백내장 수술 후 앞방깊이와 앞방각의 변화 측정
장동호1ㆍ이승찬2ㆍ진경현1
Department of Ophthalmology, KyungHee University College of Medicine1, Seoul, Korea / Department of Ophthalmology, Kangwon University College of Medicine2, Gangwon, Korea
Abstract
PURPOSE
To report the change of anterior chamber parameters according to cataract severity after cataract surgery and to determine its relationship to the severity of cataract by using anterior segment optical coherence tomography. METHODS: We measured the anterior chamber parameters in 19 eyes of 14 patients before, 1 week after, and 1 month after cataract surgery by slit lamp-adapted optical coherence tomography (SL-OCT). The measured parameters were as follows : the anterior chamber depth (ACD), the angle-opening distance 250 micrometer from the scleral spur (AOD250), the angle-opening distance 500 micrometer from the scleral spur (AOD500), and the trabecular-iris angle (TIA). We analyzed the relationship between the severity of cataract and the change of the anterior chamber parameters. RESULTS: The ACD, AOD250, AOD500, and TIA increased significantly at postoperative 1 week (P=0.000, 0.002, 0.005, 0.022) and 1 month (P=0.000, 0.004, 0.001, 0.002). The preoperative parameters were negatively correlated with the differences between the postoperative 1 week and preoperative parameters (gamma=-0.834, -0.591, -0.421, -0.826) and between postoperative 1 month and preoperative parameters (gamma=-0.659, -0.700, -0.770, -0.821). The change of parameters at postoperative 1 week (by N P=0.959, 0.916, 0.824, 1.000, by C P=0.454, 0.665, 0.578, 0.578) and 1 month (by N P=0.858, 0.973, 0.959, 0.959, by C P=0.999, 0.207, 0.950, 0.981) were not significantly different according to the severity of cataract (N, C). CONCLUSIONS: Our results showed that cataract surgery significantly deepened the anterior chamber and widened its angle. The shallower and narrower the preoperative anterior chamber depth and angle were, respectively, the greater the postoperative changes of anterior chamber depth and angle were.
Key Words: Anterior chamber depth (ACD);Angle-opening distance 250 (AOD250);Angle-opening distance 500 (AOD500);Slit-lamp adapted optical coherence tomography (SL-OCT);Trabecular-iris angle (TIA)


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