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D. Denis, C. Benso, E. Hadjadj, C. Fogliarini; Inferior Oblique Muscle Function: Correlation between Scleral Insertions of Inferior, Lateral Recti and Inferior Oblique Muscle and Clinical Function of Inferior Oblique Muscle . Invest. Ophthalmol. Vis. Sci. 2003;44(13):2761.
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Purpose: Primary hyperfunction of the inferior oblique muscle causes elevation of the non-fixing eye in adduction. The goal of this work was to measure the position of the scleral insertion of the inferior oblique compared with those of the lateral and inferior rectus muscles, and to determine if these measures were correlated to clinical hyperfunction. Methods: 59 children (age ranged from thirty months to sixteen years) and 126 ocular globe have been included. These patients were divided up in 3 groups according to the degree of hyper function of inferior oblique muscle. All measures (clinical and anatomical) have been made by the same examinator. The statistical tests used were: Student, Kruskal-Wallis tests and Spearman correlation. Results: This study showed no correlation between the inferior oblique function and their scleral insertion . Conclusions: Opposite theories explain its pathogenesis : sagittalisation of the inferior obliques and the innervationnal theory. This study shows that the innervationnal theory is to be more probable.
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