In December 1989, BOTOX was approved by the FDA for the treatment of strabismus, blepharospasm, and hemifacial spasm.
The FDA approved Botox for the first time in 1989, to treat two eye muscle conditions: uncontrollable blinking and misaligned eyes. It was then approved in 2000 as a treatment for cervica dystonia, which is a neurological movement disorder that causes neck and shoulder contractions. After noticing that Botox injections for the eye muscle conditions reduced frown lines significantly, studies were conducted and the FDA approved the drug to be administered for cosmetic reasons in 2002.
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