title: Congenital hereditary nonprogressive external ophthalmoplegia.
mesh_terms: D000293:Adolescent; D000328:Adult; D001763:Blepharoptosis / Q000175:diagnosis / Q000235:genetics*; D002648:Child; D005260:Female; D005403:Fixation, Ocular; D006801:Humans; D008297:Male; D009216:Myopia / Q000175:diagnosis / Q000235:genetics*; D009886:Ophthalmoplegia / Q000175:diagnosis / Q000235:genetics*; D009887:Ophthalmoscopy; D010375:Pedigree; D010808:Physical Examination