2. Dyskinesia
Dyskinesias are a group of disorders characterized by involuntary movements of muscles.
HealthLine (OMS Preferred Provider)

3. Eyelid twitch: MedlinePlus Medical Encyclopedia
An eyelid twitch is a general term for involuntary spasms of the eyelid muscles. In some instances, the eyelid may repeatedly close (or nearly close) and re-open.This article discusses eyelid twitches in general.
MedlinePlus (Offsite)

4. ATP2A2 - ATPase, Ca++ transporting, cardiac muscle, slow twitch 2 - Genetics Home Reference
The ATP2A2 gene provides instructions for making an enzyme called sarco(endo)plasmic reticulum calcium-ATPase 2 (SERCA2). This enzyme belongs to a family of ATPase enzymes that helps control the level of positively charged calcium atoms (calcium i...
MedlinePlus (Offsite)

5. muscle twitching - Neurology - MedHelp
muscle twitching - Neurology - MedHelp. This is a discussion on MedHelp about muscle twitching. Community members of MedHelp provide help, support, guidance and discussion around the topic of muscle twitching by.
MedHelp Q&A

6. Eye twitching - MayoClinic.com
Eye twitching is a slight, involuntary movement of the eyelid every few seconds over the course of a minute or two. Sometimes the spasm is strong enough to make your eyelid close completely before reopening.
www.mayoclinic.com

7. Eye Spasms, Eye Twitching, Eye Twitch: Definition, Symptoms, and Treatment - Kellogg Eye Center
The three most common types of eyelid spasms are eyelid twitch, essential blepharospasm, and hemifacial spasm. Eyelid TwitchThe three most common types of eyelid spasms are eyelid twitch, essential blepharospasm, and hemifacial spasm. Eyelid Twitch
www.kellogg.umich.edu

8. Eye Twitch Symptoms & Signs on MedicineNet.com
An eye twitch is an involuntary spasm of the muscles in the eyelid. Blepharospasm is the medical term for eyelid twitching. Eyelid twitching usually occurs every few seconds and lasts for a few minutes. It may come and go over a period of days or ...
www.medicinenet.com

9. Twitching definition - Medical Dictionary definitions of popular medical terms easily defined on MedTerms
Twitching : Involuntary contractions of groups of muscle fibers. Also known as fasciculations. Fasciculations can occur in normal individuals without an associated disease or condition and can also occur as a result of illness, such as muscle cram...
www.medterms.com

10. Muscle Twitching - Symptoms, Causes, Tests - NY Times Health Information
Muscle twitching is caused by minor muscle contractions in the area, or the uncontrollable twitching of a muscle group that is served by a single motor nerve fiber or filament.
health.nytimes.com