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Duane syndrome is a congenital eye movement disorder characterized by limitation of abduction and/or adduction accompanied with lid fissure narrowing, and globe retraction in attempted adduction. Duane syndrome is mostly an isolated entity, but systemic anomalies have been reported in 6-10% of patients. Wildervanck syndrome (cervico-oculo-acoustic syndrome) is a very rare disease comprised of the triad of Klippel-Feil deformity (congenitally fused cervical vertebrae), Duane syndrome, and hearing loss. The disorder is limited, or almost completely limited, to females, raising the question of sex-linked dominance with lethality in the hemizygous male. Herein, we describe an adolescent girl who was admitted to our clinic for obesity and diagnosed with Wildervanck syndrome due to bilateral abducens paralysis (Duane syndrome), Klippel-Feil deformity and hearing loss. [ABSTRACT FROM AUTHOR]