Leber hereditary optic neuropathy and dystonia (LDYT) is a maternally-inherited mitochondrial disorder characterized by variable combinations of visual loss and progressive generalized dystonia. LDYT is a unique oxidative phosphorylation disorder caused by mutations in mitochondrial DNA.
Category
Inherited metabolic disorder
Brite
Human diseases in ICD-11 classification [BR:br08403]
08 Diseases of the nervous system
Diseases of neuromuscular junction or muscle
Primary disorders of muscles
8C73 Mitochondrial myopathies
H01365 Leber hereditary optic neuropathy and dystonia
09 Diseases of the visual system
Disorders of the visual pathways or centres
9C40 Disorder of the optic nerve
H01365 Leber hereditary optic neuropathy and dystonia
A mitochondrial DNA mutation at nucleotide pair 14459 of the NADH dehydrogenase subunit 6 gene associated with maternally inherited Leber hereditary optic neuropathy and dystonia.