Medical Ophthalmology: Case three

This 70 year-old woman presented to the eye casualty with a sudden onset right visual loss. Examination revealed a right inferior retinal artery occlusion from an embolus.

a. What does her chest X-ray show?

b. What other ocular signs may be associated with this X-ray appearance?

c. The patient was on warfarin therapy. If she were to undergo a cataract extraction, should the warfarin be stopped?

d. Is prophylactic antibiotic needed if she were to have cataract surgery?

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