Myogenic Ptosis

  • Natan D. Kahn
  • David A. Weinberg


Myogenic ptosis may present in children or adults. There is commonly reduced levator function and associated weakness of the extraocular, orbicularis oculi, and facial muscles. In some cases, one may find bulbar, limb, and respiratory muscle weakness, as well as a variety of other associated findings, such as frontal balding and polychromatophilic cataracts in myotonic dystrophy. Myogenic ptosis can frequently be diagnosed via muscle biopsy or genetic testing. Ptosis surgery may be quite effective, although frontalis slings are often ultimately necessary due to the progressive nature of myopathic ptosis in many or most cases.


Myotonic Dystrophy Levator Muscle Frontalis Muscle Chronic Progressive External Ophthalmoplegia Levator Function 
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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Maine Eye CenterPortlandUSA

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