<prompt> Ophthalmoplegic migraine is best defined by:Headache with irreversible loss of ophthalmic nerve functionRecurrent transient 3rd nerve palsy associatedwith headacheRecurrent transient 3rd, 4th andor 6th nerve palsyassociated with headacheHeadache associated with optic neuritis  <response>: Opthalmoplegic migraine is thought to be a recurrent demyelinating neuropathy with a migraine like headache accompanied or followed by diplopia weakness of cranial nerves that move the eye - III, IV or VI. The third nerve is most commonly involved. Ref: Migraine By Britt Talley Daniel MD, Britt Talley Daniel - Page 264. 