This 52 year-old woman was referred by his optician because of abnormal visual fields. Her intraocular pressure in both eyes were normal at 17mmHg. Fundoscopy revealed the above appearance in both eyes (the above picture is from the right eye).

a. What does the picture show?

b. What type of visual field defect may be present?

c. What other ocular findings would you expect to find in this condition?