A 69-year-old African-American man with a past medical history of insulin-dependent diabetes mellitus type 2 for 30 years and coronary artery disease presents to the ED urgently 3 days after uncomplicated right carotid endarterectomy for 80% stenosis.

A 36-year-old African American man presents with acute vision loss in his right eye. Five months ago, he experienced sudden, painless vision loss in the inferior field of that eye, but could not seek medical help.

A 67-year-old man presents with a four-day history of "graying" of the central vision in his left eye that has progressed to a central "black spot." with "flickering lights."

A 63-year-old woman complains of 6 weeks of floaters and decreased visual acuity in both eyes that is worse in the evening.

An asymptomatic African-American man visits your practice for a regularly scheduled eye exam that turns up unexpected results during the clinical workup.

A senior woman is washing dishes in her kitchen when she suddenly realizes that she is unable to see out of her left eye.

A 52-year-old man with a history of cocaine dependency presents for spectacles after losing his previous pair, but your exam uncovers additional concerns.

A 14-year-old girl presents to your clinic with sudden-onset blurry vision in her left eye and no other symptoms. She was referred by an optometrist whom she originally saw for new contacts.