Ophthalmology Associates of York, LLP 1945 Queenswood Dr. York, PA, 17403 Phone: (717) 846-6900 Fax: (717) 854-9728
Ophthalmology Associates of York, LLP1945 Queenswood Dr. York, PA, 17403Phone: (717) 846-6900Fax: (717) 854-9728    

Eyelid Ptosis (Drooping Eyelid)

  • Ptosis occurs due to dysfunction of the muscles that raise the eyelid or their nerve supply. It can affect one eye or both eyes and is more common in the elderly, as muscles in the eyelids may begin to deteriorate. One can, however, be born with ptosis. Ptosis may be caused by damage/trauma to the muscle which raises the eyelid, damage to the neerves located in the neck or damage to the nerve (3rd cranial nerve (oculomotor nerve)) which controls this muscle. Such damage could be a sign or symptom of an underlying disease such as diabetes mellitus, various tumors, and diseases which may cause weakness in muscles or nerve damage.
  • Ptosis can be caused by the slipping of the muscle that controls the eyelid elevation, nerve abnormalities, trauma, inflammation, or lesions of the lid or orbit.  
  • Acquired ptosis is most commonly caused by slipping of the muscle. This can occur as a result of age, stretching of the muscle tendon, or disinsertion of the muscle. Moreover, chronic inflammation or intraocular surgery can lead to the same effect. Also, wearing contact lenses for long periods of time is thought to have a certain impact on the development of this condition.



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