Nystagmus?: I am not sure what do you mean by jitters? If the eyeball moves, then this is nystagmus and this is related to some kind of brain and congenital problem. If you mean movement of the eyelids, then this is eyelid spasm and these are sign of facial tics. The facial tic could be related to stress, Potassium deficiency, or some other problems. So please see a neurologist for either of these problems.
Answered 7/29/2015
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