手术诱导散光评估：三种角膜测量设备之间的比较
Surgically induced astigmatism assessment: comparison between three corneal measuring devices.
作者信息
Ofir Shay, Abulafia Adi, Kleinmann Guy, Reitblat Olga, Assia Ehud I
出版信息
J Refract Surg. 2015 Apr;31(4):244-7. doi: 10.3928/1081597X-20150319-04.
PURPOSE
To compare the findings of three corneal measuring devices for calculating surgically induced astigmatism (SIA) during cataract extraction.
METHODS
Patients' records were retrospectively reviewed to identify patients who had corneal astigmatism measurements before and at least 1 month after cataract surgery through 2.4-mm corneal incisions by all three tested devices (Lenstar LS900, Haag-Streit, Koeniz, Switzerland; IOLMaster 500, Carl Zeiss Meditec, Dublin, CA; and Atlas topographer, Carl Zeiss Meditec). Vector analysis was used to calculate the SIA for each measuring device.
RESULTS
Seventy eyes of 49 patients were included. All three measuring devices had similar SIA results: the median SIAs were 0.45 diopters (D) for the Lenstar, 0.41 D for the IOLMaster, and 0.47 D for the Atlas topographer (P = .884).
CONCLUSIONS
The three evaluated anterior corneal measuring devices produced similar results in measuring SIA. [J Refract Surg. 2015;31(4):244-247.].
目的
比较三种角膜测量设备在白内障摘除术中计算手术源性散光（SIA）的结果。
方法
回顾性分析患者记录，以确定在白内障手术后至少1个月通过所有三种测试设备（Lenstar LS900， Haag-Streit，瑞士科尼茨；IOLMaster 500，卡尔蔡司医疗技术公司，加利福尼亚州都柏林；以及Atlas地形图仪，卡尔蔡司医疗技术公司）经2.4毫米角膜切口测量角膜散光的患者。使用矢量分析计算每种测量设备的SIA。
结果
纳入49例患者的70只眼。所有三种测量设备的SIA结果相似：Lenstar的SIA中位数为0.45屈光度（D），IOLMaster为0.41 D，Atlas地形图仪为0.47 D（P = 0.884）。
结论
三种评估的眼前段角膜测量设备在测量SIA方面产生了相似的结果。[《屈光手术杂志》。2015；31（4）：244 - 247。]
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