这使眼睛的屈光力太强。
目的探讨准分子激光屈光性角膜切削术（PRK）后角膜表面形态和屈光力变化。
ObjectiveTo investigate the change in corneal surface shapes and refractive powers after photorefractive keratectomy(PRK).
利用A超、角膜地形图仪测定上述患者的角膜中央厚度、角膜中央屈光力及眼轴长度。
To measure central corneal thickness, central corneal diopter and eye axis with ultrasonic A and corneal topography.
结论：PRK及LASIK术后眼内压下降值与角膜厚度及角膜屈光力下降值呈线性相关；
Conclusion:reduction in corneal thickness and corneal refractive power affect reduction in IOP readings markedly after PRK & LASIK.
高度近视组角膜后表面屈光力与角膜后表面隆起度改变量大于中低度近视组的改变量（P<0.05）。
The changes of posterior corneal power and posterior surface elevation in high myopia were significantly more than those of mild-moderate myopia after LASIK ( P< 0. 05 ).
结论：在实际用眼中，由于调节反应诱发屈光力变化范围以及角膜的像差补偿作用，正视眼总能维持较高的视觉质量。
In fact, most of the time the moderate volume of accommodation response and the corneal compensation of inter eye wavefront make a stable and qualified vision quality possible.
与角膜厚度、眼压无明显的相关性。结论眼轴长度、角膜屈光力、晶状体厚度、前房深度和年龄对近视度数(等值球镜度数)均有一定的影响。
Conclusion the length of axis, corneal refractive power, lens thickness, anterior chamber depth and age have certain effect on the spherical equivalent refraction.
在眼科屈光届具有较强的影响力，深得广大近视眼朋友信任和厚爱。
He has strong influence in the field of refractive error in ophthalmology. He gained great trust and support by numerous myopia patients.
在眼科屈光届具有较强的影响力，深得广大近视眼朋友信任和厚爱。
He has strong influence in the field of refractive error in ophthalmology. He gained great trust and support by numerous myopia patients.
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