Debi Lee, I am experiencing the same thing.  Since being on Synthroid I have a
constant muscle spasm in my left eye.  I also think that it is related to the
Synthroid since I did not have this before.

>  From: Debi Lee <[log in to unmask]>, on 8/27/97 9:22 PM:
>  To: [log in to unmask]
>
>Debi wrote:
>  The big question:  for many months now I have had a regular eye twitch.
>  It's not continuous but very regular.  I'm not even sure if I should
>  describe it as a twitch, maybe it's more of an involuntary muscle spasm
>  of my eyelid.  I haven't been able to connect it with anything, but am
>  wondering about the synthroid.  I know medications can cause such
>  problems.  Has anyone else had this experience, or am I just shooting in
>  the dark?
>
>  Debi
>
>