双通道视觉分析系统对高度近视合并白内障患者人工晶体植入术后的视觉质量评价

摘要

Objective: To analyze and explore the application of duable-pass optical quality analysis system(OQAS) on the evaluation of visual quality for patients with high myopia complicated with cataract who received intraocular lens implantation. Methods: The documents of 93 patients with high myopia complicated with cataract were collected in the retrospective analysis. And all of patients received ultrasonic emulsification and intraocular lens implantation. And then the visual situation and the changes of PSF, OSI, MTF, MTFcutoff, SR, OV100%, OV20%and OV9%were evaluated by using double-pass OQAS at three points included pre-operation, 1week of post-operation and 1month of post-operation. Results: After treatment, the visual situation of patients were significantly improved, and the differences of visual situations among pre-operation, 1 week of post-operation and 1 month of post operation were significant (F=6.831, P<0.05). And the differences of OSI, PSF and OV9%between the before and after treatment were significant (F=6.732, F=9.102, F=5.029, P<0.05), respectively. While the differences of MTFcutoff, SR, OV100%and OV20% between the two groups were no significant. Under the conditions of 5 cpd and 10 cpd of MTF, the differences of MTF among pre-operation, 1 week post operation and 1month post operation were significant (F=8.029, F=4.039, P<0.05), respectively. Besides, at 1 week post-operation and 1month post-operation, the differences among 5cpd, 10cpd and 15cpd were significant(F=7.829, F=6.921, P<0.05), respectively. Conclusion: After the patients with high myopia complicated with cataract receive intraocular lens implantation of ultrasonic emulsification, the visual analysis system of dual channel can preferably evaluate the visual quality of patients, and can objectively reflect aberration, scattering and diffraction, etc. Therefore, it is worthy to be popularized and applied.%目的:分析探讨双通道视觉光学质量分析系统(OQAS)在高度近视合并白内障患者人工晶体植入术后视觉质量评价中的应用.方法:选择93例高度近视合并白内障的患者资料进行回顾性分析,所有患者均行超声乳化和人工晶体植入术,于术前、术后1周和术后1月应用双通道OQAS评价患者视力情况以及点扩散函数(PSF)、客观散射指数(OSI)、调制传递函数(MTF)、MTF截止空间频率(MTFcutoff)、斯特列尔比值(SR)、OQAS值OV100%、OV20%和OV9%变化情况.结果:手术后患者视力情况明显改善,术前、术后1周和术后1个月的3个时间点视力情况比较差异有统计学意义(F=6.831,P<0.05).治疗后,患者OSI、PSF和OV9%均明显改善,与术前比较差异有统计学意义(F=6.732,F=9.102,F=5.029;P<0.05);而在MTFcutoff、SR、OV100%、OV20%的比较中均无差异.MTF为5 cpd和10 cpd时,分别在术前、术后1周和术后1个月的3个时间点的MTF比较中,差异有统计学意义(F=8.029,F=4.039;P<0.05);术后1周和术后1个月,分别在5 cpd、10 cpd和15 cpd的MTF比较中,差异均有统计学意义(F=7.829,F=6.921;P<0.05).结论:高度近视合并白内障患者行超声乳化人工晶体植入术后,应用双通道视觉分析系统能够较好的评价患者的视觉质量,能够客观上反映患眼的像差、散射和衍射等情况,值得临床推广应用.