期刊
JOURNAL OF CATARACT AND REFRACTIVE SURGERY
卷 45, 期 6, 页码 789-797出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jcrs.2018.12.018
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Purpose: To assess the repeatability of a swept-source biometer in phakic and pseudophakic patients, including astigmatism analysis, and to compare measurement data with those obtained by an optical low-coherence interferometry method. Setting: Borsod-AbaUj-Zemplen County Central Hospital and University Teaching Hospital, Miskolc, Hungary. Design: Evaluation of diagnostic technologies. Methods: One eye of each patient was examined with the Argos and Aladdin devices. With the Argos, three repeated measurements were performed. Biometric parameters and cross-cylinder power vector components of astigmatism were assessed. Descriptive and repeatability data of the Argos were observed, and Bland-Altman plots were created. Results: The study comprised 96 eyes (50 phakic and 46 pseudophakic) of 96 patients (mean age 69.22 years and 71.14 years, respectively). The two devices showed a significant difference regarding astigmatism and corneal diameter in the phakic group (measured larger by Argos, P < .05). In the pseudophakic group, only the corneal diameter data were significantly different (measured larger by Argos, P = .02). No other statistically significant differences were observed in either group. An excellent intraclass correlation coefficient (ICC) was reported on the Argos device in the case of all measured parameters except for the diopter values of astigmatism and the vector values of the astigmatism in the phakic group. In the pseudophakic group, the ICC was moderate in the case of anterior chamber depth (ACD) and good in the case of astigmatism and vectorial data. Conclusions: The repeatability data regarding the Argos biometer were excellent for all parameters except astigmatism data in both groups and ACD readings in the pseudophakic group. However, only a limited agreement was observed between these devices in both groups. (C) 2018 ASCRS and ESCRS
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