Congenital inverse Duane's retraction syndrome: A rare prese
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Inverse Duane's retraction syndrome is a rare condition characterized by limited abduction which may be accompanied by retraction of the eyeball, narrowing of the palpebral fissure, and pseudoptosis. A 12-year-old girl presented to a tertiary referral center with left esotropia noticed since birth. There was no history of trauma or any previous surgery. There was no family history of strabismus. There was no history of diplopia on examination; she adopted a left face turn of 15° while fixing. There was no facial asymmetry or any facial abnormality. Visual acuity in both the eyes was 6/6 (20/20), N6. The cover test showed left esotropia of ten prism diopters for both distances and near in primary gaze with corrected head posture. Ocular movements were full in the right eye while in the left eye, there was a limitation of abduction beyond midline. In addition, she also had significant down shoot and globe retraction on attempted abduction. There was a narrowing of the palpebral fissure on attempted abduction and widening on attempted adduction. She was uncooperative for forced duction test in office. Sensory evaluation revealed stereopsis of 20 arc seconds on randot stereo acuity test. The anterior and posterior segment examination was within normal limits. A diagnosis of inverse Duane's retraction syndrome of the left eye was made based on the clinical features.

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