按眼轴(axail ength,AL)及角膜屈光力(keratometric value,KV)进行分组：1组49只眼，AL>26 mm, KV≤45 D；2组36只眼，AL≤26 mm, KV>...
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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.
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.
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