摘要
目的探讨进展性近视、稳定性近视及正视之间反应性AC／A值的关系，并对其成因进行分析。方法病例对照研究。门诊选取10-22岁病例，根据随访资料以及主觉验光结果分为进展性近视组、稳定性近视组以及正视组各17例，在全矫基础上分别测量9个调节刺激水平下的调节反应以及隐斜值，计算调节误差指数（AEI）和反应性AC／A值。数据采用单因素方差分析。结果3组屈光组的反应性AC／A值之间的差异有统计学意义（F=4．051，P〈0．05），进展性近视组的AC／A值高于稳定性近视组和正视组。3组的AEI值之间无显著性差异（B2．579，P〉0．05）；在高调节刺激水平（3.21-4．12D），进展性近视组显示出较大的内隐斜，但只有在4．12D水平，3组之间的差异具有统计学意义（F=3．828．P〈0．05）。结论和稳定性近视以及正视相比，进展性近视具有较高的AC／A值和较大的近距内隐斜．提示较大的近距内隐斜可能是高AC／A的成因，高AC／A值和较大的近距内隐斜可能是近视进展的危险因素。
Objective To discuss the differences in the response AC/A between progressive myopes, stable myopes and emmetropes, and to try to analyze the causes for the differences. Methods Fifty-one subjects （17 progressive myopes, 17 stable myopes and 17 emmetropes） participated in the study. The accommodative response and heterophoria were measured under 9 different stimulus states. And the response AC/A and accommodative error index （AEI） were calculated. A one-way ANOVA was used to analyze the data. Results There was a significant difference in the response AC/A between progressive myopes, stable myopes and emmetropes （F=4.051, P〈0.05）. Progressive myopes had a higher AC/A ratio than stable myopes and emmetropes. No significant differences were found in the AEI values for the three refractive groups （F=2.579, P〉0.05）. At high stimulus levels （3.21-4.12 D）, progressive myopes showed more esophoria than stable myopes and emmetropes, but significant differences were found between the three refractive groups only at the 4.12 D level （F=3.828, P〈0.05）. Conclusion Progressive myopia has a higher response AC/A and more esophoria than stable myopes and emmetropes, which suggests that high AC/A and large esophoria may be the risk factors for myopia progression. And the large esophoria may be the reason for the high AC/A ratio.
出处
《中华眼视光学与视觉科学杂志》
CAS
2012年第12期718-721,共4页
Chinese Journal Of Optometry Ophthalmology And Visual Science
