Safa Ibrahim

Optic perineuritis (OPN) is a rare inflammatory disease affecting the optic nerve sheath, and typically manifesting with varying degrees of vision loss and pain on eye movement. We report a case of a 70-year-old White male who presented to the Houston Methodist Hospital after two episodes of self-resolving acute painless vision loss in the right eye (OD) and headaches 9 weeks after receiving the first dose of the measles, mumps, and rubella (MMR) vaccination.

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