Report of 4 patients referred to the Orthoptics Service of this Hospital, who presented diplopia after the injection of botulinic toxin type A for facial rejuvenation.When measuring the angle of the strabismus in the diagnostic positions, all of the patients presented paralitical micro strabismus, two of them due to inferior oblique paresisand the other two due to lateral rectus paresis. Based on the cases described, we advise the professionals that make use of BTA for facial rejuvenation to be aware […]

Over the last decades, botulinum toxin has been used therapeutically in innumerable diseases. The type A toxin was first approved in 1989 for treating strabismus, blepharospasm and hemifacial spasms in patients over the age of 12. It was observed that in adult patients undergoing treatment for blepharospasm with botulinum toxin, na additional effect of wrinkle reduction appeared, giving rise to studies regarding the cosmetic use of the toxin. Recently, type A botulinum toxin has been approved for aesthetic purposes. This […]