“…JAMDIG is a database collected from eight institutes in Japan, as introduced in the online supplementary appendix. The details of the database are given elsewhere 13. In short, all VF data satisfying the inclusion criteria below were retrospectively collected from the electronic records of each institute: (1) eyes with primary open angle glaucoma (POAG) including normal tension glaucoma (NTG), (2) glaucoma was the only disease causing VF damage, (3) each eye had at least 10 VF measurements with 24–2 or 30–2 Humphrey Field Analyzer using the SITA standard programme (HFA; Carl Zeiss Meditec, Dublin, California, USA), excluding one baseline VF.…”