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Excessive involuntary blinking blepharospasm Benign essential blepharospasm is the term used for any abnormal blinking or eyelid twitching, the cause of which is unknown. Treatment options for Blepharospasm Medical Many different medications eg: trihexyphenidyl, clonazepam have been tried over the years with limited success.
Botulinum Toxin This is the most effective and best tolerated treatment for blepharospasm and is usually tried first. Supportive treatments Some patients may be helped from therapies to reduce stress if appropriate. Severe blepharospasm with patient unable to open eyes fully. Same patient 1 week following extensive upper lid orbicularis stripping. If glasses are needed, this can also be easily detected. Any strabismus in turning or out turning of the eye will be diagnosed when the ophthalmologist examines the eye movements.
If an abrasion or conjunctivitis is diagnosed, eye drops, or ointment may be given. Glasses may be prescribed if the excessive blinking is caused by blurry vision. A habitual tic is a small, voluntary body movement.
It may be caused by, among other things, stress, fatigue or boredom. It usually affects both eyes at the same time. It affects boys twice as often as girls, with the average age of 5 years when it first appears. It is a benign condition that will resolve without treatment, usually within weeks to years, often recurring intermittently. There is no neurologic cause, and further evaluation and brain scans are not necessary.
Once an ophthalmologist has determined that a child does not have an eye problem, it is best for parents to not draw attention or discuss the excessive blinking and the symptoms may tend to diminish. Blinking is a reflex, which means your body does it automatically. You can also make yourself blink when you want to. Excessive blinking is when you blink more than you want to. A number of things can cause excessive blinking. The most common cause in adults is a problem on the surface of your eye.
Blinking lubricates and cleans your eyes by spreading your tears over its outer surface. It also protects your eye by closing it to keep out dust, other irritants, very bright light, and foreign objects. Babies and children only blink about two times per minute. By the time you reach adolescence, that increases to 14 to 17 times per minute. It stays at that number for the rest of your life. You blink less while reading or when you sense possible danger.
Excessive blinking occurs when your blinking reflex is overstimulated by something. Most of these causes can affect adults and children. Eyestrain is when you get tired heavy eyes after focusing on one thing too long. Many things can cause eye strain. The most common reasons include:. When you are under stress, you may become more sensitive to light and eye strain. General health conditions that may cause an increase in eye blinking include:. Causes of blepharospasm Symptoms of blepharospasm Classifications of blepharospasm Diagnosis of blepharospasm Treatment for blepharospasm Where to get help.
Surgery to remove the muscles is a last resort. Causes of blepharospasm The causes of blepharospasm are unknown, but abnormalities in the way the brain is working are thought to be involved. No one knows what causes the dysfunction or damage. Rarely, more than one family member is affected by blepharospasm, which suggests there may be a genetic factor involved. Symptoms of blepharospasm A person with blepharospasm may uncontrollably blink, squint, wink, twitch or squeeze closed one or both eyes.
The progression of symptoms includes: spasms in response to particular triggers, such as fatigue or bright lights spasms occurring more frequently during the day, whether the triggers are present or not spasms forcing the eyelids shut for hours at a time — spasms also pull the eyebrows down towards the eyes.
Classifications of blepharospasm Blepharospasm is often graded according to its severity, which includes: tics and twitches — many people experience brief bouts of eyelid twitching when they are tired or under stress.
These muscle contractions are so small that often the twitch can only be felt, but not seen. Tics and twitches are common and there is no real treatment. This flickering of the eyelids is not what doctors generally call blepharospasm although they are a form of blepharospasm in a technical sense blepharospasm — chronic involuntary spasms or squeezing of the eyelid muscles.
Diagnosis of blepharospasm There is no particular test for blepharospasm. Treatment for blepharospasm Treatment for blepharospasm can include: stress management — symptoms tend to worsen in times of emotional stress. When injected, the toxin disrupts nerve messages to muscles and causes paralysis. Generally, multiple injections are given both above and below the eye. It takes between one and four days for the paralysis to begin.
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