Those people with muscle spasms, or spasticity, may find this short (less than 5 min.) video useful:
http://www.doctoroz.com/videos/your-mus ... ng-serious
The information from Dr. Oz fits so well with what jimmylegs has said many times: Spasms may stem from dehydration, low levels of calcium, magnesium, or potassium, or even if you are resting too long.
He suggests soaking for 15 minutes in a bath with 2 cups of Epsom salts dissolved in the water.
When identifying the areas where spasms are most common, he lists calves, quads, hamstrings, and around the eyes (eyes… Could muscle spasms there be connected to nystagmus?). He even says muscle spasms can be connected to hormone problems, especially thyroid problems.
Well worth 5 minutes of your time to watch!