Optic nerve head size and cognitive function.

The article presents a study to examine the associations between disc size and level of education and time necessary in performing a standardized automatic visual field test as surrogates of cognitive function in Beijing, China. The study included 4089 subjects whom the assessable disc photographs and data of education level and perimetric test time have been available. Results of the study show optic nerve head size was associated with education level and perimetric test time.