Surgical Treatment of the Upshoot and Downshoot in Duane's Retraction Syndrome

안구후퇴의 증후군에 있어서 상전 및 하전에 대한 수술요법

The upshoot and downshoot in Duane's retraction syndrome is believed to be related to a leash effect from the lateral rectus muscle. When the eye is rotated into the adducted position, the lateral rectus muscle slips over the globe, producing the up-and downshoot on adduction. The splitting of the ends of the lateral rectus into a Y configuration prevents the rotation of the globe up or down by stabilizing the muscle's position on the eye. Three patients with Duane's retraction syndrome demonstrated abnormal vertical movement on adduction and underwent a Y-splitting on the lateral rectus. In all patients, marked decrease in the up-and downshoot is noted after surgery.

상전과 하전을 동반하고 제 1안위에서 외사위를 보인 안구후퇴 증후군 3례에서 외직근 후전 및 Y형 분리술을 시행하여 만족스러운 결과를 얻을 수 있었다.