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Eye Conditions

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Abnormal Facial Movements

Abnormal facial movements describe conditions involving spasms, twitches or tics of the muscles around the eyes or face. Involuntary contraction of both eyelids is called blepharospasm. Involuntary contractions affecting the other muscles of the face as well as the eyelid muscle is called hemifacial spasm or Meige syndrome, depending on whether one or both sides of the face are affected.

Blepharospasm is thought to be caused by altered activity in part of the brain called the basal ganglia, while hemifacial spasm may result from a blood vessel or another structure in the brain pressing on the facial nerve (the nerve allowing for facial muscle movement).
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Strabismus

Strabismus is a condition in which the eyes point in different directions from each other. It is commonly referred to as a “crossed eyes” or “wandering eyes” or a “lazy eye.” There are different types of strabismus including eyes that turn in, turn out or turn up or down. In-turning eyes are the most common kind in children. Strabismus may be present early in infancy or may develop later in life, though it is commonly first noted in childhood. Strabismus may be present constantly or only occasionally. The cause for strabismus is often not known, though there are some systemic conditions that may be associated with strabismus.

People with strabismus may note double vision or may not have any visual concerns. Treatment for strabismus depends on the type and may include glasses, prism lenses and/or surgery.
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Pink Eye

Conjunctivitis , commonly known as pink eye , is an infection of the conjunctiva (the outer-most layer of the eye that covers the sclera ). The three most common types of conjunctivitis are: viral , allergic , and bacterial . Each requires different treatments. With the exception of the allergic type, conjunctivitis is typically contagious.

The viral type is often associated with an upper respiratory tract infection, cold, or sore throat. The allergic type occurs more frequently among those with allergic conditions. When related to allergies, the symptoms are often seasonal. Allergic conjunctivitis may also be caused by intolerance to substances such as cosmetics, perfume, or drugs. Bacterial conjunctivitis is often caused by bacteria such as staphylococcus and streptococcus. The severity of the infection depends on the type of bacteria involved.
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