Tenotomy of horizontal rectus for nystagmus treatment Tenotom¡a de rectos horizontales para el tratamiento del nistagmo
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Introduction: Congenital nystagmus is an idiopathic disease present at birth or in the early childhood. It is noted by the presence of conjugated binocular oscillations and, in some cases, a face turn to reduce frequency and amplitude of these movements. Previous publications have reported horizontal rectus tenotomy to expand null point, and diminish frequency and amplitude of nystagmus oscillations, increasing fixation time. Objective: To evaluate the efficacy of de horizontal rectus tenotomy as a treatment for nystagmus. Material and methods: We present a case series of eight patients with congenital nystagmus, and other conditions in some cases; surgically treated for those conditions and with horizontal rectus tenotomy. Results: We found a visual acuity improvement and lowering of the oscillations frecuency. Conclusion: This procedure could be considered an alternative for nystagmus treatment. However, bigger series should be performed before generalazing results. © 2012 Sociedad Mexicana de Oftalmología.