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29 Possible Causes for Mild Extraocular Muscle Weakness

  • Ptosis

    Extraocular muscles are not affected and ptosis is rarely seen.[ncbi.nlm.nih.gov] There is early weakness and atrophy of forearms and quadriceps and a third of patients also have mild facial weakness.[ncbi.nlm.nih.gov]

  • Myositis

    Patients frequently have a mild weakness of facial muscles, except for the extraocular muscles.[orpha.net]

  • Noncomitant Strabismus

    Extraocular Muscle Dysfunction Phoria (Mild Weakness) Noticeable only with the cover test, phoria is less likely to cause amblyopia than st...[5minuteconsult.com] Extraocular Muscle Dysfunction Phoria (Mild Weakness) Noticeable only with the cover test, phoria is less likely to cause amblyopia than strabismus.[5minuteconsult.com] Extraocular Muscle Dysfunction Strabismus (or Tropia) Exotropia (eye turns outward). A constant malalignment of the eye axis, strabismus i...[5minuteconsult.com]

  • Oculopharyngeal Muscular Dystrophy

    In 4 patients weakness of extraocular muscle was found and two of them experienced transient diplopia. Mild limb-girdle weakness was observed in 6 patients.[ncbi.nlm.nih.gov]

  • Inclusion Body Myositis

    Extraocular muscles are not affected and ptosis is rarely seen.[ncbi.nlm.nih.gov] Patients frequently have a mild weakness of facial muscles, except for the extraocular muscles.[orpha.net] There is early weakness and atrophy of forearms and quadriceps and a third of patients also have mild facial weakness.[ncbi.nlm.nih.gov]

  • Oculopharyngodistal Myopathy

    Patients have full extraocular muscle movements and rarely exhibit ptosis.[clinicalgate.com] The extraocular muscle impairment is less prominent in the early phase but may be severe later.[clinicalgate.com] Mild weakness of the neck and extremities also occurs. Laboratory Features The serum CK level may be two to three times normal. Myopathic EMG findings are typical.[clinicalgate.com]

  • Limb-Girdle Muscular Dystrophy

    […] fibers Clinical Onset age: Early childhood Weakness Generalized Mild Proximal Distal Face & Neck Extraocular muscles Severe ophthalmoplegia Ptosis 20% Prognosis: Slow progression[neuromuscular.wustl.edu] Recessive Epidemiology: 5 families from UK & Finland Genetics Compound heterozygous Mutation type: Truncating Allelic disorders MYH2 protein Myosin subtype Location: Type 2A muscle[neuromuscular.wustl.edu]

  • Congenital Myopathy with Excess of Thin Filaments

    […] of hip girdle and axial muscles Mild facial weakness, extraocular muscles spared, no cardiac involvment Bulbar and respiratory involvement uncommon Histology: central cores[quizlet.com] […] development Dynamin- microtubule associated transport protein involved in vesicular trafficking and endocytosis Most common congenital myopathy Infantile onset w/ static weakness[quizlet.com]

  • Familial Congenital Palsy of Trochlear Nerve

    Various forms of CFEOM result from primary dysinnervation of oculomotor and/or trochlear innervated extraocular muscles.[yumpu.com] Currently, three CFEOM phenotypes (mild facial weakness has been reported to occur sometimes in all phenotypes) and four FEOM loci have been defined. a.[yumpu.com]

  • Myasthenia Gravis

    Mild proptosis attributable to extraocular muscle weakness also may be present.[emedicine.medscape.com] A unilateral frontalis ‘‘hypercontraction’’ is a clue that the lid elevators are weak on that side.[emedicine.medscape.com] Also, to compensate for ptosis, the sclerae below the limbi may be exposed secondary to weak lower lids.[emedicine.medscape.com]

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