What is a hallmark sign of central retinal artery occlusion and how is it typically managed emergently?

What is a hallmark sign of central retinal artery occlusion and how is it typically managed emergently?

• A. Sudden painless monocular vision loss with a pale retina and cherry-red spot; urgent ophthalmology evaluation and immediate IOP-lowering therapy and vascular work-up.
• B. Gradual central vision loss with drusen; observation.
• C. Painful red eye with photophobia; topical antibiotics.
• D. Floaters with curtain; laser therapy.

Answer: (A)