Age-related macular degeneration

A 73-year-old woman comes to his primary care physician to evaluate the progressive bilateral vision loss. The patient states that she has had difficulty reading and driving, which has gotten worse over the past six weeks. She states that door frames and window blinds appear “curved”. She has a past medical history of hypertension and a 40 pack-year smoking history. Vitals are within normal limits. A dilated eye examination reveals subretinal fluid with a gray-green discoloration. Which of the following is the most likely cause of this patient’s ocular condition?