Figure 1.

Representative photographs and schema of the patients with different optic disc types.

Notes: FI, a focal loss of neuronal rim and the other area of neuronal rim is normal. MY, typical parapapillary atrophy and a shape of temporal cupping with slight tilting. SS, halo (chorioretinal atrophy) surrounding the optic disc with shallow cupping. GE, a large and deep clear cupping, especially nasal cupping.

Abbreviations: FI, focal ischemia; MY, myopic glaucoma disc; SS, senile sclerosis; GE, generalized enlargement.