<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi Doctor, I have been diagnosed with central retinal artery or vein occlusion.  <response>: Im sorry to hear that. You will require multiple medications to treat this condition including Bevacizumab Avastin, Tropicamide Ophthalmic, Travoprost Travatan, Brimonidine Ophthalmic, Latanoprost, Benoxinate-Fluorescein Ophthalmic, Brinzolamide Ophthalmic, Acetazolamide Diamox, Proparacaine Ophthalmic, Bimatoprost Ophthalmic, Phenylephrine Duramax, and Prednisolone Ophthalmic. 