KMID : 0360220170580020235
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Journal of the Korean Ophthalmological Society 2017 Volume.58 No. 2 p.235 ~ p.239
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A Case of Immediate Surgical Repair in Traumatic Isolated Inferior Rectus Muscle Rupture
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Lee Bo-Ram
Lim Key-Hwan
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Abstract
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Purpose: We report a case of infraduction limitation improvement and orthotropia at primary position in a patient with traumatic isolated inferior rectus muscle rupture after immediate repair surgery of the ruptured muscle.
Case summary: A 47-year-old man came to our emergency department complaining of right eyelid contusion and conjunctival laceration after trauma due to the metal part of a high pressure hose. Right hypertropia of 20 prism diopters was observed at primary gaze and right hypertropia of 30 prism diopters was observed at down gaze. The right eye showed a -4 infraduction limitation. We sutured the distal part of the ruptured inferior rectus muscle with surrounding tissue, including the Tenon¡¯s capsule and the part of the muscle stump, to its original insertion. Orthotropia at primary position and 8-prism-diopters of right hypertropia on down gaze was observed one day after surgery. At 40 days after surgery, the patient had orthotropia at primary position and 4-prism-diopter right hypertropia on down gaze. Infraduction limitation of the right eye improved to -1.
Conclusions: Immediate repair of complete traumatic isolated inferior rectus muscle rupture can correct the limitation of extraocular movement and achieve orthotropia at primary position.
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KEYWORD
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Inferior rectus muscle rupture, Strabismus surgery, Trauma
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