摘要
目的:研究眼轴、角膜屈光力、晶状体屈光力与儿童屈光不正的关系。方法:通过睫状肌麻痹检影验光及光学生物测量仪(IOL-Master)获得44例88眼的屈光不正度数、眼轴、角膜屈光力、前房深度等参数,经计算得到晶状体度数。按屈光不正度数分为远视组、正视组、近视组,直线相关与回归比较年龄和屈光不正与各屈光参数之间的关系。结果:受试者44例88眼,平均年龄9.04±2.39岁,等效球镜(SE)-3.50^+8.75D;远视组眼轴比近视正视组短(P<0.05),远视组晶状体屈光力明显低于近视正视组(P<0.05),三组间角膜屈光力和前房深度无明显差别。本研究发现年龄与等效球镜(SE)之间成负相关;眼轴与年龄成正相关;年龄与晶状体屈光力成正相关;SE与眼轴成负相关;SE与晶状体屈光力有负相关关系。结论:儿童随年龄增长,SE向近视发展,眼轴变长,晶状体屈光力增强;SE越偏远视,眼轴越短、晶状体屈光力越弱。
AIM： To evaluate the relationship between axial length（ AL）, corneal and lens refractive power, and the refractive error in children.METHODS： Totally 44 children 88 eyes with refractive error who underwent retinoscopy with cycloplegia,to be measured spherical equivalent refractive error. Axial length was measured by a noncontact optical biometry（ZEISS IOL- Master）, and corneal K and anterior chamber depth（ ACD） were also measured by the same machine. The refractive power of the lens was calculated by using the SRK formula. The patients were divided into 3 groups,myopia（ SE 0）,hyperopia（ SE ＋ 0. 50D）and emmetropia（0 to ＋ 0. 50D）. Linear Correlation and Regression were used to evaluate the correlation among the optical parameters.RESULTS：Totally 44 subjects,88 eyes,average 9. 04 ±2. 39 years,spherical equivalent（SE）- 3. 50 D to ＋ 8. 75 D.Hyperopic AL was shorter than the other two groups（P〈0. 05）,same trend in lens power. No significant differences among the 3 groups in corneal K and ACD. There was a negative correlation between age and SE,SE and AL,SE and lens refractive power, and there was a positive correlation between age and AL,age and lens power.CONCLUSION：As the children＇s growing up,SE trends to myopia,and AL becomes longer,and lens power is stronger.
出处
《国际眼科杂志》
CAS
2014年第8期1473-1475,共3页
International Eye Science
关键词
屈光不正
眼轴
角膜屈光力
refractive error
axial length
corneal refractive power
