I got one unit of botox above each eyebrow to correct and eyebrow that when I lifted, appeared to overcorrect with a fold above it. Immediately after at home my opposite eye began to cross and I developed a migraine headache. The Dr would not return my call and had a nurse assure me it was not botox related. I saw an eye doctor who thought it was a strong possibility. Three days later the eye is still turning inward and I'm having difficulty focusing.