ISSN: 2459 - 1777 | E-ISSN 2587-0394
Volume : 6 Issue : 2 Year : 2021

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Comparison of Adult Refractive Disorder Measurements Using HandyRef-K, Retinomax, Plusoptix, and Table-top Autorefractometer Devices [Beyoglu Eye J]
Beyoglu Eye J. 2021; 6(2): 108-114 | DOI: 10.14744/bej.2021.28247

Comparison of Adult Refractive Disorder Measurements Using HandyRef-K, Retinomax, Plusoptix, and Table-top Autorefractometer Devices

Zeynep Seymen1, Sinan Bekmez2, Erdem Eris2, Burçin Kepez Yıldız3, Aslı Vural4, Tülin Öğreden1, Irfan Perente3
1Department of Ophthalmology, University of Health Sciences Istanbul Training and Research Hospital, Istanbul, Turkey
2Department of Ophthalmology, University of Health Sciences Dr. Behcet Uz Children's Diseases and Surgery Training and Research Hospital, Izmir, Turkey
3University of Health Sciences Prof. Dr. N. Resat Belger Beyoglu Eye Training and Research Hospital, Istanbul, Turkey
4Department of Ophthalmology, University of Health Sciences Bakirkoy Dr Sadi Konuk Training and Research Hospital, Istanbul, Turkey

INTRODUCTION: This study was conducted to compare refractive error measurements recorded using the Nidek HandyRef-K handheld autorefractometer (HDY; Nidek Co. Ltd., Tokyo, Japan), Plusoptix A09 photorefractor (PO; Plusoptix GmbH, Nuremberg, Germany), Retinomax K-plus 3 (RTX; Right Mfg. Co. Ltd., Tokyo, Japan), and a table-mounted autorefractometer/ keratometer (TTR; URK 800, Unicos Co. Ltd., Daejeon, Republic of Korea).
METHODS: Patients aged ≥18 years underwent measurement of refraction without cycloplegia using 4 devices and the spherical power (SP), cylindrical power (CP), and spherical equivalent (SE) values were analyzed and compared.
RESULTS: A total of 181 eyes of 181 patients were enrolled in the study. The mean age of the patients was 33.08±0.95 years (range: 18-79 years). There was a significantly significant difference in the SP, CP, and SE values determined by the devices (p<0.001). The SP and SE values of the RTX and the HDY were similar, while the other device results were different (Wilcoxon signed-rank test, p=0.004). The CP values of the PO and the TTR, the HDY and the TTR were also comparable.
DISCUSSION AND CONCLUSION: The HDY, RTX, and the PO are suitable for screening in clinical practice, but the findings strongly suggest that they should be used with caution.

Keywords: Adult population, HandyRef-K, Plusoptix, Retinomax K-plus 3

Zeynep Seymen, Sinan Bekmez, Erdem Eris, Burçin Kepez Yıldız, Aslı Vural, Tülin Öğreden, Irfan Perente. Comparison of Adult Refractive Disorder Measurements Using HandyRef-K, Retinomax, Plusoptix, and Table-top Autorefractometer Devices. Beyoglu Eye J. 2021; 6(2): 108-114

Corresponding Author: Zeynep Seymen, Türkiye
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