Journal of the Korean Ophthalmological Society 2001;42(4):569-575.
Published online April 1, 2001.
Changes of Anterior Chamber Depth and Anterior Chamber Angle after Photorefractive Keratectomy.
Kyung Rak Kim, Sung Kun Chung, Nam Ho Baek
Department of Ophthalmology, St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
굴절교정레이저각막절제술 전과 후의 전방깊이 및 전방각의 변화
정성근(Sung Kun Chung),백남호(Nam Ho Baek),김경락(Kyung Rak Kim)
Abstract
PURPOSE
To investigate the structural changes of anterior chamber after photorefractive keratectomy in myopic eyes, we assessed the changes of anterior chamber(AC) depth, angle and correlations with ablation depth at sixth postoperative month. METHODS: We performed photorefractive keratectomy on 77 eyes of 40 patients and divided them into 3 groups by the degree of preoperative myopia; less than -4.0 diopter, between -4.0 and -6.0 diopter and greater than -6.0 diopter. We assessed the changes of AC depth and angle using Scheimpflug camera(EAS-1000, Nidek, Japan) after 6 months. RESULTS: The average preoperative AC depth and angle were 3.59+/-0.27 mm, 44.20+/-2.58 and 3.53+/-0.27 mm, 43.29+/-1.65 at sixth postoperative month. The reductions in AC depth and AC angle were statistically significant(P<0.05), and there were no differences among three myopia groups(P>0.05). The changes of both AC depth and AC angle were not affected by ablation depth(P>0.05). CONCLUSIONS: Structural changes of anterior chamber were significant 6 months after photorefractive keratectomy and the changes were not affected by degree of myopia nor by ablation depth.
Key Words: Anterior chamber angle;Anterior chamber depth;Photorefractive keratectomy


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