- Sudden, painless loss of vision in one eye is most often due to either a retinal or an optic nerve disorder.
- An RAPD and optic disc asymmetry rule out the macula and retina as the primary site of concern.
- But optic nerve disorders can be due to myriad etiologies ranging from the most common (such as anterior ischemic optic neuropathy1) to several rare entities such as Swine Flu vaccination induced papillitis.2
- This week’s case of optic neuropathy explores such diverse etiologies and the procedures helpful in patient management.
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