It could be from being tired or excessive television/computer exposure. It can also be from emotional or work related stress.
The plural of twitch is twitches.
The superstitions are that when your left eye twitches it means something bad is going to happen. When your right eye twitches it means something good is going to happen. I have heard, when the top of your eye (say the eyelid) is twitching, something good is going to happen to you, but when the bottom of your eye is twitching, something bad is going to happen. If it is twitching really bad, the effectiveness is stronger than a little twitch.
Your iPod twitches because you are over charging it or you are not taking care of it.
A cat twitches its tail to communicate its emotions, such as feeling agitated, excited, or focused.
A cat's tail twitches as a way to communicate its emotions, such as excitement, irritation, or anticipation.
The medical term for involuntary contractions of the eyelid is blepharospasm. This condition can cause the eyelid to twitch or close intermittently and may be temporary or chronic.
DefinitionAn 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. Alternative NamesEyelid spasm; Eye twitch; Twitch - eyelidCauses, incidence, and risk factorsThe most common things that make the muscle in your eyelid twitch are fatigue, stress, and caffeine. Once spasms begin, they may continue off and on for a few days. Then, they disappear. Most people experience this type of eyelid twitch on occasion and find it very annoying. In most cases, you won't even notice when the twitch has stopped.More severe contractions, where the eyelid completely closes, are possible. These can be caused by irritation of the surface of the eye (cornea) or the membranes lining the eyelids (conjunctiva).Sometimes, the reason your eyelid is twitching cannot be identified. This form of eyelid twitching lasts much longer, is often very uncomfortable, and can also cause your eyelids to close completely.SymptomsIn addition to having repetitive, uncontrollable twitching or spasms of your eyelid (usually the upper lid), you may be very sensitive to light or have blurry vision. TreatmentEyelid twitching usually disappears without treatment. In the meantime, the following steps may help:Get more sleep.Drink less caffeine.Lubricate your eyes with eye drops.If twitching is severe, small injections of botulinum toxin can temporarily cure the spasms.Expectations (prognosis)The outlook depends on the specific type or cause of eyelid twitch. In some cases, the twitches usually stop within a week.ComplicationsPermanent eye injury from unrecognized cornea injury is possible, but rare.Calling your health care providerCall your primary care doctor or eye doctor (ophthalmologist, optometrist) if:Eyelid twitching does not go away within 1 weekTwitching completely closes your eyelidTwitching involves other parts of your faceYou have redness, swelling, or a discharge from your eyeYour upper eyelid is droopingReferencesFaucett DC. Essential blepharospasm. In: Yanoff M, Duker JS, Augsburger JJ, et al, eds. Ophthalmology. 2nd ed. Philadelphia, Pa: Mosby Elsevier; 2004: chap 91.
well if your calf muscle constantly twitches you are probably having a muscle spasm
This is not a common cause of eyelid twitch if you'd like to see a list of causes and their treatments check the link below.
Muscle twitches after a workout can be caused by fatigue, dehydration, or electrolyte imbalances. During exercise, muscles can become overworked and fatigued, leading to involuntary contractions or twitches. Staying hydrated and maintaining proper electrolyte balance can help reduce these twitches.
When any living being dies it twitches. This is caused by the nerves communicating with the muscles for the final time.
The superstitions are that when your left eye twitches it means something bad is going to happen. When your right eye twitches it means something good is going to happen. I have heard, when the top of your eye (say the eyelid) is twitching, something good is going to happen to you, but when the bottom of your eye is twitching, something bad is going to happen. If it is twitching really bad, the effectiveness is stronger than a little twitch.