1.   Botox had already been approved for treatment of eye spasms.

2.   Currently, Botox is approved by the U.S. Food and Drug Administration for treatment of eye spasms, crossed eyes and a neck muscle condition.

3.   That same year, Allergan won FDA approval to sell a drug called Botox to treat certain eye spasms.

4.   The treatment of eye spasms, crossed eyes and a neck muscle condition are the other FDA-approved uses for Botox.