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Revista Cubana de Oftalmología
versión impresa ISSN 0864-2176versión On-line ISSN 1561-3070
Resumen
NARANJO FERNANDEZ, Rosa; ESTEVEZ MIRANDA, Yaimir; MENDEZ SANCHEZ, Teresita de Jesús y PEDROSO LLANES, Alina. Traumatic paralysis of the inferior rectus muscle. Rev Cubana Oftalmol [online]. 2010, vol.23, n.2, pp.459-464. ISSN 0864-2176.
Paralysis represents a complete interruption of muscular action due to problems in enervation in charge of motility, unlike paresia in which the effect is partial. The isolated inferior rectus muscle paralysis is infrequent and is characterized by the affected eye hypertropia that increases in abduction. The patient presents vertical diplopia that increases when he looks down and out, he can also suffer torticollis which depresses his chin. This is a disease that must not be ignored in patients with orbit floor traumatism. A patient went to see the doctor with vertical diplopia for 7 months. The ocular motility exam disclosed 15 ° × Hirshberg hypertrophy, 30 Dp inferior base by prism bar and marked torticollis with restricted depression. The definitive diagnosis was a traumatic paralysis of the right inferior rectus muscle due to a direct lesion. The treatment was total transposition of the medial and lateral rectus muscle to the right inferior rectus muscle following the Tillaux horizontal spiral, with the objective of reaching the eye's alignment and eliminating the anomalous position of the head. One kept in mind that the prolonged paralysis of the inferior rectus muscle may provoke contracture of the ipsilateral upper rectus, thus limiting the depression on abduction and adduction.
Palabras clave : Paralysis; inferior rectus; child.