【摘要】 目的：运用Orbscan II测量远视者角膜地形图。方法：回顾性，观察性，连续性临床病例研究，进行LASIK术前评估的远视患者共295眼。回顾分析患者的年龄、性别以及Orbscan II所得角膜地形图。屈光度及以下参数由Orbscan II系统所得：角膜厚度、角膜直径、瞳孔直径和前房深度。结果：总的平均角膜厚度为546.3±35.5μm，17～29岁年龄组547.3±38.4μm，30～44岁年龄组553.4±38.3μm，45岁以上年龄组546.2±29.3μm。女性平均角膜厚度为551.5±35.9μm，男性为542.6±34.7μm。总的平均前房深度为2.57±0.40mm，17～29岁年龄组2.82±0.39mm，30～44岁年龄组 2.49±0.39mm，45岁以上年龄组2.37±0.40mm。女性平均前房深度2.53±0.40mm，男性为2.60±0.40mm。角膜厚度与角膜曲率之间存在显著负相关关系 (P=0.005，r=0.16)，与瞳孔直径存在相关关系(P=0.013， r=0.144)。屈光不正严重度与前房深度负相关，与角膜曲率负相关(P=0.061， r=0.108)。结论：本研究提供并分析了远视患者的Orbscan II测量数据，远视患者的平均角膜厚度为546.3±35.5μm，平均前房深度为2.57±0.40mm。
【关键词】 Orbscan II；角膜地形图；远视
Abstract
AIM: To evaluate Orbscan II corneal topography in hyperopic cases.
METHODS: A retrospective, observational, consecutive, clinical case series in two hundred and ninety five eyes of hyperopic patients who undergo a LASIK evaluation. The information that was reviewed included age and sex of the patients and the Orbscan II corneal topographic maps. Refractive powers and the following test indices produced by Orbscan II were analyzed: keratometry, corneal diameter, pupil diameter and anterior chamber depth.
RESULTS: The total mean corneal thickness was 546.3±35.5μm.It was found ; 547.3±38.4μm in 1729 years old, 553.4±38.3μm in 30 44 years old and 546.2±29.3μm in older than 45 years old .The mean corneal thickness was found 551.5±35.9μm in female, and 542.6±34.7μm in male. The total mean depth of anterior chamber was 2.57±0.40mm and in 1729 years old patients was 2.82±0.39mm. In 30 44 years old patients was 2.49±0.39mm and in patients older than 45 years old was 2.37±0.40mm. The mean depth of anterior chamber was 2.53±0.40mm in female and 2.60±0.40mm in male. A reverse significant relation between corneal thickness and keratometry were found. Refractive error severity had a reverse correlation with depth of anterior chamber and a correlation with keratometry (P=0.061,r=0.108).Corneal thickness had a reverse correlation with keratometry (P=0.005,r=0.160), and correlation with pupil diameter (P=0.013, r=0.144).
[1] [2] [3] [4] 下一页 |
