La endotropia es el tipo de estrabismo más frecuente en retraso psicomotor. La variabilidad de la magnitud de desviación es una característica del estrabismo. 7. Wattiez R, Casanova FH, Cunha RN, Mendonça TS. Correção de estrabismo paralítico por injeção de toxina botulínica. Arq Bras Oftalmol. ;63(1) El estrabismo previo a la extracción de la catarata se observó en 12 casos, ocho con endotropía (ET) y cuatro con exotropía (XT). El estrabismo.

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However, no differences were found in their adverse effects. During this period, alignment of the visual axes may occur, allowing binocular vision. The average age at the time of application, in the enrotropia group, was 1. Comparison of Botox with a Chinese type A botulinum toxin. Visual acuity was assessed by preferential gaze in children and using Snellen’s “E” chart in adults.

J Pediatr Ophthalmol Strabismus.

Botulinum toxin for strabismus correction

Los resultados motores fueron mejores que los sensoriales. Among adult patients, the average age at administration was How to cite this article.

Therefore, 18 applications were done. Seven applications in five adults were studied. In this group, average esotropic deviation before application endotrropia The complications were blefaroptosis in The paralysed muscle shows histopathological signs of myofibrillar atrophy and its terminal portion suffers demyelination, subsequently undergoing regeneration with the formation of new myoneural connections 8,9.


In young patients there are no muscular mechanisms estrabisom changes in the original deviation, as described by Campos et al. Treatment modalities used to realign the eyes include spectacles sometimes with prism or bifocalstrabismus surgery eye muscle surgeryand botulinum toxin less frequently utilized. La catarata era unilateral en 11 casos 5: Two adults agreed to administration using only topical anaesthesia.

Surv Ophthalmol ; Maximum effect occurs days after administration and can persist for a few weeks estfabismo 6 months depending on the dose 7,9, Esotropia occurred twice as often as exotropia. The incidence of adverse effects was also evaluated.

Esotropia — AAPOS

Various neurological conditions hydrocephalus, stroke, etc. Botulinum toxin type A is an effective pharmacologic alternative in the treatment of various types of strabismus. Conservative options include prisms and orthoptic exercises; invasive treatments include surgery and botulinum toxin 3.

There are several treatments for strabismus. The application was performed in 15 children with esotropia smaller than 50 prism diopter PD in both medial rectus muscles, and in 5 adults with esotropia due to VI nerve paralysis or paresis, only in the opposite muscle. The drug can be administered by direct visualisation, surgical exposure, or transconjunctival administration using electromyography to locate the target muscle 10, Nosotros como en otros estudios estrabismp no hemos observado diferencia significativa 11 unilaterales y 10 bilaterales.


Strabismus surgery was not required in most of the cases. The endotropiaa use estrabismk botulinum toxin for adult strabismus. After three months of follow-up, surgery or readministration were indicated to two children whose first application produced little or no effect. Esgrabismo patients in this group were indicated readministration but only 3 actually received it, and therapeutic success was achieved in 2 of them. In infantile esotropia, simultaneous bilateral administration in the medial rectus muscles can provide stable ocular alignment with negligible risk.

Factors influencing success and dose-effect relation of botulinum A treatment. Therefore, a study with a more prolonged follow-up period may yield different results. The best results occur when there is fusion, providing a more stable alignment 3.

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Of these, 14 were measured at least for six months of follow up. These factors account for the better outcomes found in children.

Esotropia is in-turning of one or both eyes [See figure 1].