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  • Title: Outcome study of bilateral lateral rectus recession for intermittent exotropia in children.
    Author: Ing MR, Nishimura J, Okino L.
    Journal: Ophthalmic Surg Lasers; 1999 Feb; 30(2):110-7. PubMed ID: 10037205.
    Abstract:
    BACKGROUND AND OBJECTIVE: The purpose of this paper is to report a statistical analysis of the surgical results in a consecutive series of 52 children treated by bilateral lateral rectus recession for intermittent exotropia when the operating surgeon was confronted by an increase in manifestation of the strabismus. PATIENTS AND METHODS: The charts were abstracted for age at initial surgery, quantity of initial deviation, initial refraction, motor alignment at one week, six months, and at the end of the study. The incidence and result of secondary surgery and the incidence of the monofixation syndrome result was also determined. RESULTS: Thirty-two (62%) of the patients were successfully aligned at six months by the initial surgery performed for a mean of 25 prism diopters (PD) of preoperative deviation at a mean age of 4 years 8 months. Eleven patients (21%) were undercorrected and 9 patients (17%) were overcorrected at the six month exam. The patients were followed for a mean of 4 years, 4 months. Alignment at 6 months postoperatively was predictive of success by the end of the study, but the age at initial surgery, the size of the deviation, esotropia at 1 week, and initial refraction were not predictive of success. Secondary surgery was performed in 11 patients and the monofixation syndrome result was found in 5 patients. CONCLUSION: Successful alignment was achieved in the majority of children treated by an initial bilateral lateral rectus recession utilizing a currently popular surgical dosage table. Long term alignment success was not predicted by esotropia during the first postoperative week or the age at initial surgery but was correlated with the 6-month data. Secondary surgery was performed in 20% and the incidence of the monofixation syndrome was approximately 10% at the end of the study.
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