Masato Matsuura1, Hiroshi Murata2, Yuri Fujino2, Kazunori Hirasawa3, Mieko Yanagisawa2, Ryo Asaoka4. 1. Department of Ophthalmology, The University of Tokyo, Tokyo, Japan; Department of Ophthalmology, Graduate School of Medical Science, Kitasato University, Kanagawa, Japan. 2. Department of Ophthalmology, The University of Tokyo, Tokyo, Japan. 3. Department of Ophthalmology, Graduate School of Medical Science, Kitasato University, Kanagawa, Japan; Department of Ophthalmology, School of Medicine, Kitasato University, Kanagawa, Japan; Moorfields Eye Hospital NHS Foundation Trust and University College London, Institute of Ophthalmology, London, United Kingdom. 4. Department of Ophthalmology, The University of Tokyo, Tokyo, Japan. Electronic address: rasaoka-tky@umin.ac.jp.
Abstract
PURPOSE: The purpose of the current study was to evaluate the test-retest reproducibility and structure-function relationship of the MP-3 microperimeter, compared against the Humphrey Field Analyzer (HFA). METHODS: Design: Reliability and validity study. SETTING: Institutional, or clinical practice. STUDY POPULATION: Thirty eyes of 30 primary open-angle glaucoma patients were enrolled. OBSERVATION PROCEDURES: Visual fields (VF) were measured twice with the MP-3 and HFA instruments, using the 10-2 test grid pattern in both perimeters. Ganglion cell complex (GCC) thickness was measured using optical coherence tomography (OCT). Test-retest reproducibility was assessed using the mean absolute deviation (MAD) measure at all 68 VF test points, and also the intraclass correlation coefficient (ICC) of the repeated VF sensitivities. The structure-function relationship between VF sensitivities (measured with MP-3 or HFA) and GCC thickness (adjusted for the retinal ganglion cell displacement) was analyzed using linear mixed modeling. MAIN OUTCOME MEASURE: Reproducibility and structure-function relationship. RESULTS: The average measurement duration with the HFA 10-2 was 7 minutes and 6 seconds (7m06s) ± 0m49s (mean ± standard deviation). A significantly (P < .001, paired Wilcoxon test) longer measurement duration was observed for the MP-3 test: 10m29s ± 2m55s. There were no significant differences in MAD and ICC values between HFA (MAD; 0.83 ± 0.69 dB and ICC: 0.89 ± 0.69, mean ± standard deviation) and MP-3 (MAD: 0.65 ± 0.67 dB and ICC: 0.89 ± 0.69). MP-3 VF sensitivities had a stronger structure-function relationship with GCC thickness compared to HFA. CONCLUSIONS: The MP-3 microperimeter has a similar test-retest reproducibility to the HFA but a better structure-function relationship.
PURPOSE: The purpose of the current study was to evaluate the test-retest reproducibility and structure-function relationship of the MP-3 microperimeter, compared against the Humphrey Field Analyzer (HFA). METHODS: Design: Reliability and validity study. SETTING: Institutional, or clinical practice. STUDY POPULATION: Thirty eyes of 30 primary open-angle glaucomapatients were enrolled. OBSERVATION PROCEDURES: Visual fields (VF) were measured twice with the MP-3 and HFA instruments, using the 10-2 test grid pattern in both perimeters. Ganglion cell complex (GCC) thickness was measured using optical coherence tomography (OCT). Test-retest reproducibility was assessed using the mean absolute deviation (MAD) measure at all 68 VF test points, and also the intraclass correlation coefficient (ICC) of the repeated VF sensitivities. The structure-function relationship between VF sensitivities (measured with MP-3 or HFA) and GCC thickness (adjusted for the retinal ganglion cell displacement) was analyzed using linear mixed modeling. MAIN OUTCOME MEASURE: Reproducibility and structure-function relationship. RESULTS: The average measurement duration with the HFA 10-2 was 7 minutes and 6 seconds (7m06s) ± 0m49s (mean ± standard deviation). A significantly (P < .001, paired Wilcoxon test) longer measurement duration was observed for the MP-3 test: 10m29s ± 2m55s. There were no significant differences in MAD and ICC values between HFA (MAD; 0.83 ± 0.69 dB and ICC: 0.89 ± 0.69, mean ± standard deviation) and MP-3 (MAD: 0.65 ± 0.67 dB and ICC: 0.89 ± 0.69). MP-3 VF sensitivities had a stronger structure-function relationship with GCC thickness compared to HFA. CONCLUSIONS: The MP-3 microperimeter has a similar test-retest reproducibility to the HFA but a better structure-function relationship.
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