What is the range of normal variations in the optic nerve head appearance?.- What are the characteristic changes to the optic nerve head in glaucoma and how do they evolve over time?.- How to interpret optic disc in myopes?.- What are the key clinical skills and investigative techniques for disc evaluation?.- How to reduce error in optic nerve head examination?.- What imaging errors occur when evaluating the optic nerve head?.- How to interpret difficult optic discs?.- How to accurately assess the severity in people with glaucoma or at risk for developing glaucoma.- What optic nerve head conditions mimic glaucoma?.- Getting better - Learning, new tools and risk management.