ophthalmoplegia Syllabification: (oph·thal·mo·ple·gia)Pronunciation: /äfˌTHalməˈplēj(ē)ə/Definition of ophthalmoplegia noun Medicine paralysis of the muscles within or surrounding the eye. Derivatives ophthalmoplegicPronunciation: /-ˈplējik/ adjective ophthalmoplegia in other Oxford dictionaries Definition of ophthalmoplegia in the British & World English dictionary