title: Progressive external ophthalmoplegia.
mesh_terms: D000328:Adult; D001145:Arrhythmias, Cardiac; D001299:Audiometry; D001763:Blepharoptosis; D004562:Electrocardiography; D004585:Electrooculography; D004596:Electroretinography; D005654:Fundus Oculi; D006801:Humans; D008297:Male; D009886:Ophthalmoplegia; D009887:Ophthalmoscopy; D012162:Retinal Degeneration; D013577:Syndrome; D013997:Time Factors; D014792:Visual Acuity