title: Progressive optic disc change: implications for clinical practice and trial design.
authors.forename: Balwantray C
authors.initials: BC
authors.lastname: Chauhan
mesh_terms: D002986:Clinical Trials as Topic; D018450:Disease Progression; D005901:Glaucoma / Q000175:diagnosis / Q000503:physiopathology; D006801:Humans; D009798:Ocular Hypertension / Q000175:diagnosis* / Q000503:physiopathology; D009898:Optic Disk / Q000473:pathology*; D009901:Optic Nerve Diseases / Q000175:diagnosis* / Q000503:physiopathology; D010781:Photography / Q000379:methods; D010818:Practice Patterns, Physicians'; D015203:Reproducibility of Results; D012107:Research Design; D012307:Risk Factors; D014786:Vision Disorders / Q000175:diagnosis / Q000503:physiopathology; D014792:Visual Acuity; D058609:Visual Field Tests; D014794:Visual Fields