Inter-device comparison of retinal sensitivity measurements: The CenterVue MAIA and the Nidek MP-1

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Abstract

© 2016 Royal Australian and New Zealand College of Ophthalmologists. Background: Our aim is to compare retinal sensitivity measurements obtained on two microperimeters: the CenterVue MAIA and the Nidek MP-1. Design: A prospective study was conducted in a private ophthalmology clinic. Participants: Seventeen individuals with a range of stable macular function were recruited as participants. Methods: Microperimetry in one eye with identical test strategy in both devices, with randomized testing order, is used. Main outcome measures: The main outcome measures include differences in mean sensitivity (MS), point-wise sensitivity (PWS) and duration. Limits of agreement (LoA) in MS and pooled PWS were calculated. Concordance in scotoma assessment was analysed by kappa (κ) agreement of local defect classification (LDC), LoA in number of scotomatous loci detected and congruence in scotoma localization (CSL). Results: Median (interquartile range) MS of the MP-1 and MAIA was 13.3 (5.6-18.1) and 21.2 (14.5-27.0) dB, (PMP-1). Median (interquartile range) duration for the MP-1 and MAIA was 10'28″ (7'17″-11'53″) and 8'46″ (8'30″-9'06″), (P=0.21). LoA for MS and pooled PWS was 1.4 to 13.3dB and -3.9 to 18.5dB. There was moderate agreement between the devices for LDC (weighted κ=0.55, P
Original languageEnglish
Pages (from-to)15-23
JournalClinical and Experimental Ophthalmology
Volume44
Issue number1
DOIs
Publication statusPublished - 2016

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