30th September 2020

A 65-year-old male presents with a one-month history of blurry vision

A 65-year-old male presents with a one-month history of blurry vision. He denies any pain or discomfort to his eyes. He is usually fit and has no significant medical history. A confrontation test showed peripheral visual field defect in both eyes. Fundoscopy showed cupping of the optic disc.

Which of the following is the most likely diagnosis?  

Select the SINGLE most appropriate option from the list below. Select ONE option only.