<unk>  <unk> , is a type of eye disorder characterized by slowly<unk>  inability to move the eyes and eyebrows. It is often the only feature of mitochondrial disease, in which case the term<unk>  may be given as the diagnosis. In other people suffering from mitochondrial disease,<unk>  occurs as part of a syndrome involving more than one part of the body, such as Kearns–Sayre syndrome. Occasionally<unk>  may be caused by conditions other than mitochondrial diseases.
Chronic progressive external ophthalmoplegia
Subacute myelo-optic neuropathy
Recurrent painful ophthalmoplegic neuropathy
Positional alcohol nystagmus
Ocular myasthenia
Central facial palsy
Progressive bulbar palsy
Corneal-cerebellar syndrome