Improvement in reading symptoms following botulinum toxin A injection for convergence
insufficiency type intermittent exotropia
Comments: After "convergence exercises" were conducted, those still with symptoms were injected with Botox. Many of the subjects improved after this injection. This was a small study and "convergence exercises" were not fully described. Perhaps if they did optometric vision therapy and not convergence exercises (which may or may not have treated accommodative dysfunctions associated with the CI IXT), injecting Botox may not have been needed.
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