Thursday, February 27, 2014
Eyelid twitching "myokymia"
We have all had an episode of a jumping or twitching eyelid. It happens at the most unexpected moment. It can last minutes to hours. What can be done? Let's review some eye lid anatomy and function to help clarifty the issue.
The eyelid is composed of three layers. The outer layer is the skin, the next inner layer is the muscle and the most inner layer against the eyeball is the conjunctiva.
The eye muscle is a thin sheet of tissue which has fast fibers. This means with stimulation the muscle contracts very fast, hence it can produce a fast blink. The blink can occur involunatry or when you purposely close your eye.
The nerve connetion from the brain to your eyelids is by cranial nerve number 7 (CN 7)
Eyelids protect the eye and spead tears over the surface.
Twitching occurs when the nerve signals to the eyelid muscles are disturbed. Usually the nerve muscle complex is over excited. To much rubbing or pulling of the eye lid, stimulants(coffee, Coke, no-dose, appetite suppresants) eyelid disesase, and allergies can all contribute.
Rarely,other neurological problems start as twitching lids and can progress to severe facila spasms.
For severe cases, I have been treating twitching lids in my office withsmall amounts of Botox. The results a fantastic, effective, and last 3-4 months. The prcedure takes about 5-10 minutes with no recovery time. Treatment costs range from 125-165.
For more information visit www.myneweyes.com
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