<unk>  is a physical finding in certain neurologic illnesses.  It refers to paralysis of the extraocular muscles which are responsible for eye movements.  It can refer to complete paralysis of the eyes, in which case it is synonymous with ophthalmoplegia.  More usually, it refers to a partial paralysis, in contrast to the complete paralysis denoted by ophthalmoplegia.
Ophthalmoparesis
Photopsia
Quassia
Vagotonia
Hypotonia
Sensory ataxia
Myotonia
Oscillopsia