In this presentation, Dr. Jost B. Jonas covers the clinical assessment of the optic nerve head (ONH), including the following:

• size and shape of the neuroretinal rim
• optic cup
• parapapillary alpha, beta, gamma, and delta zones
• peripapillary retinal nerve fiber layer thickness
• retinal vessel diameters and disc hemorrhages
• histologic ONH anatomy as basis for clinical-histological correlations
• ophthalmodynamometric examinations of the central retinal artery and vein