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Revista Cubana de Oftalmología

versión On-line ISSN 1561-3070

Resumen

PONS CASTRO, Lucy et al. Effectiveness of the surgery monocular in the sensorial exotropia of great angle. Rev Cubana Oftalmol [online]. 2022, vol.35, n.1  Epub 29-Ago-2022. ISSN 1561-3070.

Sensory exotropía is defined as a unilateral or bilateral divergent ocular deviation, given by congenital or acquired ocular anomalies, and is more frequent in adults. The objective of the strabismus surgery in adults is to reestablish binocular vision, reduce diplopía, improve ocular alignment and enhance quality of life; before performing surgery the cause of low vision should be treated. The preferred surgical procedure is a monocular approach, but if there is a large deviation a binocular procedure should be performed. The case presented Is a 25 year-old female with high myopia of the right eye (-9.00 -0.75 x 105º with 0.2 of best corrected visual acuity), exotropía of more than 25º for Hirschberg, limitation of aducción of the right eye and with both the oclusor method and prisms to 6 meters without glasses and with her contact lenses, both eyes have 50∆ of internal base, no estereopsia and suppression of the right eye. For its advantages a monocular approach (of the right eye) was preferred, with peribulbar anesthesia: recession to 12mm of the lateral rectus combined with 8 mm of resection of the medial rectus; in the postoperative she presented a 10∆ intern base deviation and for moments ortotropia; she referred diplopia that solved spontaneously. The surgical results in sensory exotropía are less encouraging since they have higher hypercorrection and recurrence rates.

Palabras clave : sensory exotropía; monocular surgery; hypercorrection..

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