title: [Leber's hereditary optic neuropathy--two case reports].
abstract: OBJECTIVE
  The aim of the article is to present 2 cases of LHON revealed in cousins (patients' mothers were sisters).
  
  
  METHODS
  They were both diagnosed in the Molecular Medicine Faculty and Department of Ophthalmology, Medical University of Wrocław.
  
  
  RESULTS
  Three of the most popular mutations characteristic for Leber's hereditary optic neuropathy were negative in both patients.
  
  
  CONCLUSIONS
  The patients might have some rare, wild or unidentified mutations. Leber's hereditary optic neuropathy, mtDNA, LHON.
authors.forename: Małgorzata
authors.initials: M
authors.lastname: Mulak
authors.forename: Krystian
authors.initials: K
authors.lastname: Kisza
authors.forename: Karolina
authors.initials: K
authors.lastname: Dembska
authors.forename: Marta
authors.initials: M
authors.lastname: Misiuk-Hojło
mesh_terms: D000328:Adult; D050259:Genes, Mitochondrial; D006801:Humans; D008297:Male; D029242:Optic Atrophy, Hereditary, Leber / Q000175:diagnosis* / Q000235:genetics*; D011110:Polymorphism, Genetic