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首页> 外文期刊>Ophthalmology and therapy. >Enhanced Penetration for Axial Length Measurement of Eyes with Dense Cataracts Using Swept Source Optical Coherence Tomography: A Consecutive Observational Study
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Enhanced Penetration for Axial Length Measurement of Eyes with Dense Cataracts Using Swept Source Optical Coherence Tomography: A Consecutive Observational Study

机译：使用扫频光源光学相干层析成像技术增强穿透力的密集白内障眼睛的轴长测量：连续观察研究。

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IntroductionThe aim of this study was to find cases in which the axial eye length could not be measured with partial coherence interferometry (PCI) technology and to assess if it could be measured using swept source optical coherence tomography (ss-OCT) technology. MethodsAll patients were measured at their pre-assessment visit 1?week prior to cataract surgery using conventional optical biometry (PCI technology, IOLMaster 500, Carl Zeiss Meditec AG, Jena, Germany). Patients in whom one or both eyes could not be measured using PCI technology were invited to participate in the study and to be measured with the ss-OCT (IOL Master 700, Carl Zeiss Meditec AG, Jena, Germany) device. ResultsAltogether, 1226 eyes of 613 patients were measured consecutively, and 78 eyes were not measured successfully with PCI technology. Among those with unsuccessfully measured eyes, 23 patients were willing to participate in the study, and two of those were also unsuccessfully measured with the ss-OCT device (8.7%, 2/23). However, 91.3% (21/23) of the eyes that were unsuccessfully scanned with PCI technology were measurable with the ss-OCT device. The estimated overall rate of unsuccessful scans with the ss-OCT device was 0.5% (6/1226) ( ( p_{{chi^{2} }} ) Conclusionss-OCT technology significantly improves the rate of attainable axial eye length measurements, especially in eyes with posterior subcapsular cataracts, but also in eyes with dense nuclear cataracts, except for white cataracts.
机译：简介本研究的目的是发现无法使用部分相干干涉术（PCI）技术测量眼轴长度的情况，并评估是否可以使用扫频光学相干断层扫描（ss-OCT）技术进行测量。方法所有患者在白内障手术前1周进行评估，均采用常规光学生物测定法（PCI技术，IOLMaster 500，Carl Zeiss Meditec AG，耶拿，德国）进行测量。邀请无法使用PCI技术测量一只或两只眼睛的患者参加研究，并使用ss-OCT（IOL Master 700，Carl Zeiss Meditec AG，德国耶拿）进行测量。结果613例患者共计1226眼，PCI技术未成功测量78眼。在那些眼睛测量失败的患者中，有23位患者愿意参加该研究，其中有2位患者也使用ss-OCT装置进行了测量失败（8.7％，2/23）。但是，使用ss-OCT设备可测量出91.3％（21/23）的PCI技术扫描失败的眼睛。估计使用ss-OCT设备的总扫描失败率为0.5％（6/1226）（（p _ {{ chi ^ {2}}} ）结论：s-OCT技术显着提高了可达到的眼轴长率测量，特别是在后囊状白内障的眼睛中，除了白内障以外，在密集的核性白内障中也是如此。

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