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Orbicularis paralysis

Aka: Orbicularis paralysis, Eyelid closure defect

Definition
1. Orbicularis oculi muscle paralysis
2. Results in failure of Eyelid closure
Causes
1. CN 7 defect
  1. Bell's Palsy
2. Severe Exophthalmos
3. Lid spasm from sympathetic stimulation
Complications
1. Corneal Injury due to lack of protection, dryness

Family Practice Notebook

Patients should address specific medical concerns with their physicians.

Although access to this page is not restricted, the information found here is intended for use by medical providers.

This page was written by Scott Moses, MD, last revised on 10/21/2007 and last published on 2/5/2012.

This is one of 5663 pages in the Family Practice Notebook