摘要
目的 :分析准分子激光原位角膜磨镶术 (laserinsitukeratomileusis,LASIK)治疗近视眼术后眼压的影响因素。方法 :采用LASIK治疗 2 14只近视眼。用非接触式眼压计测量术前、术后的眼压。对眼压与术前、术后各因素进行相关分析和多元逐步回归分析。结果 :LASIK术后 1月的眼压明显低于术前 ,差异具有显著性意义 (studentt检验 ,P <0 .0 0 0 1)。LASIK术后眼压的降低与年龄和预切角膜厚度有关 (r=- 0 .2 6 3,P =0 .0 0 0 1;r=0 .173,P =0 .0 11)。回归方程为Y =0 .6 144 3- 0 .0 10 6 6X1+0 .0 0 2 2 8X2 。结论 :LASIK术后改变了角膜厚度 ,导致术后非接触眼压计 (NCT)测量眼压值偏低。眼压降低与年龄、角膜切除厚度有关。
Objective:To evaluate the factors influencing non-contact tonometry after laser in situ keratomileusis (LASIK) for myopia.Methods:The intraocular pressure (IOP) of 214 eyes was measured before and 1 month after LASIK. Correlation analysis and stepwise regression analysis were performed to investigate the relationship of different factors to the change in IOP.Results:A reduction in IOP was related to age (r=-0.263,P=0.0001) and ablation depth (r=0.174,P=0.0108). The regression equation is Y=-0.761-0.01X 1+0.0023X 2; Y=IOP reduction (KPa), X 1=age (years),X 2=ablation depth (mm).Conclusion:The IOP was underestimated using NCT after LASIK because of the decrease in corneal thickness. The reduction in IOP is related to age and ablation depth.
出处
《眼视光学杂志》
2000年第3期168-170,共3页
Chinese Journal of Optometry & Ophthalmology
