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The time to detect “significant deterioration” using each of three global indices, in a longitudinal cohort of participants with early or suspected glaucoma, censoring series if they either lost two lines of visual acuity or underwent cataract surgery.
Mean Deviation (MD), Visual Field Index (VFI) and Pattern Standard Deviation (PSD). Criteria were chosen to give 95% specificity in a separate test-retest cohort.
