Abstract Background/aims We evaluate the clinical characteristics of intermittent exotropia with controllability and compare surgical outcomes between patients with and without controllability. Methods We reviewed the medical records of patients aged 6–18 years with intermittent exotropia who underwent surgery between September 2015 and September 2021. Controllability was defined as the patient’s subjective awareness of exotropia or diplopia associated with the presence of exotropia and ability to instinctively correct the ocular exodeviation. Surgical outcomes were compared between patients with and without controllability, with a favorable surgical outcome defined as an ocular deviation between ≤ 10 PD of exotropia and ≤ 4 PD of esotropia at distance and near. Results Among 521 patients, 130 (25%, 130/521) had controllability. The mean age of onset (7.7 years) and surgery (9.9 years) were higher in patients with controllability than in those without controllability (p
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