An eye twitch is an involuntary and abnormal blinking of the eyelid: here’s what it causes and when to worry
Eye twitching is a common problem and for most people it is only a minor, passing annoyance. Usually it’s a sign that you need sleep, less caffeine, or some downtime to relax. But if it starts to affect your vision or interfere with your regular activities, it could be more serious.
In many cases, eye twitching is normal and is something that everyone experiences. But sometimes it may be a symptom of a problem that requires medical attention. A key way to resolve the condition is to define what exactly is causing the eyelid tremor.
What causes a trembling eyelid: Experts warn when to be careful
A common cause of eyelid twitching is ocular myokymia. This condition is benign and does not lead to other problems. Ocular myokymia can be caused by tiredness, excessive caffeine intake, or stress. One cause of persistent and frequent eye spasms is a condition called benign essential blepharospasm. The latter occurs when both eyes close or twitch at the same time. Researchers aren’t sure what causes it, but it can cause problems with the muscle groups around the eyes.
Rarely, Several nervous system problems can cause eye twitching. These include:
- Parkinson’s disease
- Brain damage due to inflammation or stroke
- Reaction to some mental health medications
- Meige syndrome
- Multiple sclerosis
- Hemifacial spasm
- Bell’s palsy
These health conditions usually have other symptoms as well. A history of head trauma may increase the risk of eye twitching. You may also be at greater risk if the problem already runs in your family or if you have used certain mental health medications. Contractions vary greatly in severity and frequency.
Some people may have them every few seconds, while others may have them much less often. In some individuals, eye twitches occur more often and last longer over time. In many others, the symptoms disappear and do not return.
Other things can make symptoms more likely. These include:
- Tiredness (fatigue)
- Fatigue
- Strong lights
- Guide
- Caffeine
- Eye irritation from another cause
Often, the diagnosis will be made by a healthcare professional who specializes in eyes (ophthalmologist). Getting more rest and reducing your caffeine intake may help relieve symptoms.
