Ophthalmic migraine
Migraine involving the eyes but without headache. Migraine, due to a spasm of blood vessels in the brain, usually causes a headache. Flashes of light may appear as jagged lines or "heat waves" in one or both eyes and often last 10-20 minutes without a headache. This is termed ophthalmic migraine, or migraine without headache.

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migraine accompanied by amblyopia, teichopsia, or other visual disturbance; see also basilar m., ophthalmoplegic m., and retinal m. Called also ocular m.

Medical dictionary. 2011.

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