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The Ocular Hypertension Treatment Study: reproducibility of cup/disk ratio measurements over time at an optic disc reading center.
Feuer William J, Parrish Richard K, Schiffman Joyce C, Anderson Douglas R, Budenz Donald L, Wells Maria-Cristina et al.
Am J OphthalmolJan 200258 citationsObservational Study
Trained technicians achieved high reproducibility of cup/disk ratio measurements over time in OHTS, confirming these visual estimates are reliable for assessing glaucoma prognosis in ocular hypertension.