中老年白内障人群角膜散光的分布规律

doi:10.6040/j.issn.1673-3770.0.2016.059

摘要/Abstract

摘要： 目的了解中老年白内障人群术前角膜散光的分布规律。方法收集2014年7月至2015年10月在广西医科大学第一附属医院就诊的489例(630眼)白内障患者性别、年龄、民族、角膜散光、角膜最小曲率、角膜最大曲率,并按性别、年龄、眼别、散光类型分组。结果研究对象中男234例(302眼),女255例(328眼); 47~98岁。散光度数>2.00 D 者32眼(5.08%), 1.01~2.00 D者175眼(27.78%),≤1.00 D者423眼(67.14%);散光度数与年龄呈正相关(r=0.193, P=0.020);顺规散光240眼(38.10%),逆规散光360眼(57.14%),斜轴散光30眼(4.76%)。随着年龄的增长,顺规散光所占比例越来越小,而逆规散光所占比例越来越大,斜轴散光无明显变化趋势。结论随着年龄增长,白内障人群散光度数有增大的趋势,散光类型有顺规散光逐渐向逆规散光变化的趋势。

关键词: 白内障, 年龄, 角膜散光

Abstract: Objective To study the distribution of corneal astigmatism among middle aged and senior citizens with cataract. Methods The gender, age, nation, corneal astigmatism,minimum value of corneal curvature and maximum value of corneal curvature of 489 cataract patients(630 eyes)from First Affiliated Hospital of Guangxi Medical University between July 2014 and October 2015 were collected, and the patients were divided into groups according to their gender, age, eyes and astigmatism type. Results The subjects in this study were aged between 47 and 98 years, among whom 234(302 eyes)were male and 255(328 eyes)were female. The astigmatic power were bigger than 2.00 D in 32 eyes(5.08%), between 1.01D and 2.00 D in 175 eyes(27.78%), and smaller than 1.00 D in 423 eyes(67.14%). The astigmatic power was positively correlated with the age(r=0.193, P=0.020). With-the-rule astigmatism was found in 240 eyes(38.10%),against-the-rule astigmatism in 360 eyes(57.14%), and oblique astigmatism in 30 eyes(4.76%). With the increase of age, the portion of with-the-rule astigmatism became smaller, the portion of against-the-rule astigmatism became bigger, but no definite trend was found for oblique astigmatism. Conclusion With the increase of age, the corneal astigmatism in cataract patients has an increase trend, and with-the-rule astigmatism gradually changes into against-the-rule astigmatism.

Key words: Cataract, Corneal astigmatism, Age

中图分类号:

R776.1

刘露,梁皓. 中老年白内障人群角膜散光的分布规律[J]. 山东大学耳鼻喉眼学报, 2016, 30(6): 75-77.

LIU Lu, LIANG Hao. Distribution of corneal astigmatism among middle aged and senior citizens with cataract.[J]. JOURNAL OF SHANDONG UNIVERSITY (OTOLARYNGOLOGY AND OPHTHALMOLOGY), 2016, 30(6): 75-77.

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