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We appreciate Dr Thakur's interest in our work,1 and we are grateful to him for giving us the opportunity to clarify certain aspects of our findings.
As stated in the Methods section, the visual-field criteria used for diagnosis of glaucoma consisted mainly of ‘deficits typical of glaucoma’, in particular ‘(1) corrected pattern SD less that 5% and/or glaucoma hemifield test results exceeding normal limits (2) absence of other disease that would explain the visual field abnormality (3) fixation loss rate of 25% or less and (4) false positive and false negative rates below 15%’.
Criterion 1 has been used in numerous studies where the presence of at least one of the findings listed was …
Contributors This letter has been conceptualised, designed and drafted by the equal contribution of all the authors.
Funding This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None.
Provenance and peer review Not commissioned; internally peer reviewed.
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