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Eyelid Twitch or Tic |
| An eyelid twitch or tic is a minor spasm (blepharospasm) of the eyelids. The twitching may involve one or both eyelids. Doctors are not sure why these twitches or tics occur; however, it is widely believed that stress is a contributing factor. Insufficient lubrication of the eye by tears may also play a role. These minor spasms usually disappear on their own. |
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| Blepharospasms are classified by their severity and the extent of the face that is affected. The basic classifications of blepharospasms are as follows: |
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