Khawaja Khalid Shoaib, Idrees Ahmed, Muhammad Manzoor.
Rewarding Results of Surgery for Dissociated Vertical Deviation (DVD) & Hypertropia from Inferior Oblique Over-action.
Ophthalmol Update Jan ;15(3):207-9.

Objective. To Find The Results Of Surgery For Dissociated Vertical Deviation (Dvd) And Hypertropia Due To Inferior Oblique Over-Action Materials And Methods: Operations Performed For Dvd And Hypertropia Due To Inferior Oblique Overaction From 1St Jan 2016 To 30 Dec 2016 In Mughal Eye Hospital Lahore Were Analyzed To Find Out The Affectivity Of Muscle Surgery. Preoperative Assessment Included Recording Of Vision, Cycloplegic Refraction And Measurement Of Angle Of Squint By Hirschberg/Prism Cover Test Using A Prism Bar. Io Action Was Assessed And Graded On A Scale Of -4 To +4. Results: 8 Cases Of Dvd Were Operated. Average Preop Angle Was 30 (Prism Diopters) (Range 25 - 50). Average Post Op Angle Was 5 Prism Diopters (Range 3-10). Inferior Oblique Myectomy Was Done In 9 Cases. Average Preop Inferior Oblique Overaction (Iooa) Was +3 (Range 2-4). Post Op Iooa Was Less Than+1 In All The Cases. Average Preophypertropia Angle Was 25 Prism Diopters (Range 15- 55). Average Post Op Angle Was 7 Prism Diopters (Range 4-12).In One Case Of 30 Hypertropia, Inferior Oblique Myectomy Combined With Contralateral Inf Rectus Recession Corrected The Hypertropia. Conclusion: Dvd And Hypertropia Due To Inferior Oblique Over Action Can Be Treated Successfully And The Results Of Surgery Are Satisfactory.

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