Abstract

STUDY DESIGN-PROSPECTICE INTERVENTIONAL CASE SERIES. PURPOSE-TO REPORT THE RESULTS IN A CASE SERIES OF LARGE ANGLE CONCOMITANT ALTERNATE EXOTROPIA (>75 PD) SURGICALLY CORRECTED BY TRUE MUSCLE TRANSPLANTATION SURGERY. METHODS-ALL AGE GROUP PATIENTS PRESENTING WITH >75-90PD OF DEVIATION WITH LARGE ANGLE ALTERNATE EXOTROPIA WERE INCLUDED.COMPREHENSIVE OPHTHALMIC AND ORTHOPTIC EVALUATION INCLUDING HCRT,COVER,COVER AND UN-COVER TEST,ACT,PBCT,KRIMSKY’S,STEREOPSIS,W4DT,VISUAL ACUITY WERE EVALUATED. PRE-OP AND POST-OPERATIVE EVALUATION ON DAY 1,DAY 7,1 MONTH AND 6 MONTHS WERE UNDERTAKEN. ORTHOTROPIA IS SAID TO BE ACHIEVED IF THERE IS <10PD OF EXO OR ESODEVIATION AFTER SURGERY. RESULTS-OUT OF 24CASES IN THE CASE SERIES(11 MALES AND 13 FEMALES)NONE OF THE CASES HAVE LANDED WITH ANY LID SIGNS, WIDENING OF PALPEBRAL FISSURE EXCEPT UNDERCORRECTION IN ONE CASE. CONCLUSION- TRUE MUSCLE TRANSPLANTATION SURGERY HAS THUS BEEN PROVEN TO BE SUCCESSFUL IN CORRECTING LARGE ANGLE ALTERNATE EXOTROPIA (>75PD).

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