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Agreement of ocular biometric measurements in young healthy eyes between IOLMaster 700 and OA-2000
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Agreement of ocular biometric measurements in young healthy eyes between IOLMaster 700 and OA-2000
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Journal Article
Agreement of ocular biometric measurements in young healthy eyes between IOLMaster 700 and OA-2000
2020
Overview
This prospective cross-sectional study aimed to evaluate the agreement of two new biometers for measuring ocular biometric parameters in young healthy eyes. Ocular biometric parameters were measured using IOLMaster 700 and OA-2000. Power vector analyses of Cartesian (J0) and oblique (J45) components of corneal astigmatism were performed. The right eyes of 103 healthy volunteers were analyzed. The 95% limits of agreement ranged from −0.03 to 0.03 mm, −0.08 to 0.07 mm, −0.18 to 0.18 diopters (D), −1.09 to 1.16 D, −1.18 to 1.15 D for axial length (AL), anterior chamber depth (ACD), mean keratometry, J0 and J45 respectively, which were all comparable between the two biometers, while significant differences were detected in lens thickness (LT), central corneal thickness (CCT), white-to-white (WTW) and pupil diameter (PD). Predicted intraocular lens (IOL) powers were comparable between the two biometers by Haigis and Barrett Universal II formulas, while not by SRK/T, Hoffer Q and Holladay 2. Excepting CCT, WTW and PD meaurements, IOLMaster 700 and OA-2000 have excellent agreement on ocular biometric measurements and astigmatism power vectors, which provides more options for ocular biometric measurements and enables constant optimization for IOL power calculation.
Publisher
Nature Publishing Group UK,Nature Publishing Group
Subject
/ Adult
/ Cornea
/ Eye
/ Female
/ Humanities and Social Sciences
/ Humans
/ Lens, Crystalline - physiology
/ Male
/ Science
