Wiktionary
ophthalmoparesis
n. (context medicine English) A partial or complete paralysis of the extraocular muscles which are responsible for eye movements.
Wikipedia
Ophthalmoparesis
Ophthalmoparesis or ophthalmoplegia refers to weakness (-paresis) or paralysis (-plegia) of one or more extraocular muscles which are responsible for eye movements. It is a physical finding in certain neurologic, ophthalmologic, and endocrine disease.