Site uncertain

  Ophthalmoplegia and ptosis, congenital and late forms, sproradic and genetic

   Ophthalmoplegia alone

   Ptosis alone

Ocular myopathies

  Ocular and other cranial muscles

   Oculopharyngeal muscular dystrophy (genetic)

   Oculopharyngeal myopathy (sporadic)

  Ocular and proximal limb muscles

  Ocular and distal limb muscles

  Myotonic dystrophy

  Myotubular or centronuclear myopathy

  Ophthalmoplegia, glycogen storage, and abnormal mitochondria

  Ophthalmopathy of Graves’ disease (euthyroid, hypothyroid, hyperthyroid)

  Ocular myositis (orbital pseudotumour)

  Congenital myopathic ptosis or ophthalmoplegia

   Limb weakness

   Anomalous insertion of ocular muscles

   Some cases of Möbius syndrome

Disorders of neuromuscular junction

  Curare-sensitive ocular myopathy

  Myasthenia gravis

Neural ophthalmoplegias

  Nuclear and supranuclear abnormalities

   Congenital: Möbius syndrome; isolated ophthalmoplegia

   Ophthalmoplegia with central myelopathy or encephalopathy of later onset: mental retardation, hereditary ataxias, hereditary spastic paraplegia, hereditary multisystem disease, dystonia musculorum deformans, abetalipoproteinaemia (Bassen–Kornzweig), progressive supranuclear bulbar palsy (Steele–Richardson–Olszewski)

   Ophthalmoplegia with motor neuron disease: infantile spinal muscular atrophy (Werdnig–Hoffman), juvenile spinal muscular atrophy simulating muscular dystrophy (Wohfart–Kugelbertg–Welander)

   Ophthalmoplegia, retinitis, cardiopathy, and neural disorder (Kearns–Sayre)

  Peripheral neuropathies