摘要
目的 揭示早期圆锥角膜角膜地形图的特征 ,为早期诊断此病提供参考。方法 收集了本院门诊拟诊为早期圆锥角膜的患者 2 7例 5 2眼。所有患者均行 TMS- 1角膜地形图测定。结果 80 .77%眼角膜最高屈光度部位在正下方或颞下方 ,最高屈光度在 45 D以上 ,散光在 2 D以上 ,所有眼平均最高屈光度在 47.5 6 D± 5 .80 D,平均散光 5 .47D± 3.80 D;角膜非对称性指数 (SAI)及角膜规则性指数 (SRI)值大于0 .5者分别为 94%、98% ,SAI值平均为 2 .6± 1.9,SRI值平均为 1.6 7± 0 .94。结论 早期圆锥角膜的测定须兼顾上述综合参数 ,SAI及
Objective To identify the significant findings of corneal topography for early keratoconus Methods Fifty two eyes of 27 patients in whom the diagnosis of keratoconus were suspected and no slit lamp evidence of the condition was enrolled All eyes were evaluated by corneal topography analysis system Results The highest corneal power of 80 76% eyes was over 45D, while the astigmatism was over 2D; The values of SAI and SRI were over 0 5 on 94% eyes and 98% eyes respectively Conclusion The values of SAI and SRI were more sensitive to detecting the early keratoconus
出处
《眼科新进展》
CAS
2001年第2期109-110,共2页
Recent Advances in Ophthalmology
关键词
角膜地形图
圆锥角膜
屈光度
散光
corneal topography
keratoconus
diopter
astigmatism
