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首页> 外文期刊>Ophthalmologica: International Journal of Ophthalmology=Journal International d'Ophtalmologie >Comparison of contrast sensitivity after angle-supported, iris-fixated and posterior chamber phakic intraocular lens implantation for high myopia.
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Comparison of contrast sensitivity after angle-supported, iris-fixated and posterior chamber phakic intraocular lens implantation for high myopia.

机译：比较后的对比敏感度angle-supported, iris-fixated和后室phakic人工晶状体植入术高度近视。

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摘要

PURPOSE: To evaluate the effects of angle-supported, iris-fixated and posterior chamber phakic intraocular lens (PIOL) implantation on contrast sensitivity (CS). METHODS: This prospective study included 69 eyes of 41 consecutive cases of high myopia which received an angle-supported (Phakic-6H; 26 eyes), iris-fixated (Verisyse; 23 eyes) or posterior chamber PIOL [phakic refractive lens (PRL); 20 eyes]. Photopic, mesopic and mesopic with glare CS were evaluated preoperatively and at least 6 months postoperatively. RESULTS: In the PRL group, the mean postoperative CS at all frequencies and across all lighting conditions increased. These changes were significant for 6, 12 and 18 cycles per degree (cpd) under both photopic and mesopic conditions (p < 0.01) and for all the tested frequencies under mesopic with glare condition (p < or = 0.01). The average CS was relatively low in the PRL group. These changes were significant for 6 and 12 cpd between the Verisyse and PRL group under photopic condition (p < 0.05), for 3 and 6 cpd under mesopic condition (p < 0.01, p = 0.01) and under mesopic with glare condition (p < 0.01, p < 0.05). CONCLUSIONS: Improvements in postoperative CS confirm that PIOL implantation is a promising alternative for correction of high myopia. In comparison to posterior chamber PIOLs, angle-supported and iris-fixated PIOLs seem to produce a better visual quality in terms of CS, which needs to be warranted by further investigations.
机译：目的:评价的影响angle-supported, iris-fixated和后室phakic人工晶状体(PIOL)植入在对比敏感度(CS)。方法:这项前瞻性研究包括了69人的眼睛连续41例高度近视收到一封angle-supported (Phakic-6H;iris-fixated (Verisyse;室PIOL [phakic折射透镜(PRL);眼睛)。CS是术前评估和至少6个月术后。组平均术后CS频率和所有照明条件增加了。12和18个周期每度(cpd)明,(p < 0.01),中光条件所有的测试频率下黄昏黎明眩光条件(p <或= 0.01)。在PRL组相对较低。6和12 cpd显著变化明下的Verisyse和PRL集团条件(p < 0.05), 3和6 cpd下中光条件(p < 0.01, p = 0.01)和下中光与眩光条件(p < 0.01, p <0.05)。CS确认PIOL植入是一种很有前途的选择对高度近视矫正。后室PIOLs相比,angle-supported和iris-fixated PIOLs似乎产生更好的视觉质量的CS,需要被进一步保证调查。

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