J Korean Ophthalmol Soc > Volume 58(9); 2017 > Article
Journal of the Korean Ophthalmological Society 2017;58(9):1087-1091.
DOI: https://doi.org/10.3341/jkos.2017.58.9.1087    Published online September 15, 2017.
Relationship between Early Postoperative Stereoacuity and Surgical Outcome in Intermittent Exotropia.
Eun Jee Kim, Dong Yun Yeon, Suk Gyu Ha, Seung Hyun Kim
1Department of Ophthalmology, Korea University College of Medicine, Seoul, Korea. ansaneye@hanmail.net
2The 19th Fighter Wing, Aeromedical Squadron, Republic of Korea Air Force, Chungju, Korea.
간헐외사시 술 후 초기 억제 및 입체시의 회복과 수술결과의 상관성
고려대학교 의과대학 안과학교실1, 제19 전투비행단 의무대대2
Correspondence:  Seung Hyun Kim,
Email: ansaneye@hanmail.net
Received: 12 January 2017   • Revised: 23 February 2017   • Accepted: 17 August 2017
To identify the correlation between early postoperative stereoacuity and surgical outcome in intermittent exotropia. METHODS: The medical records of 74 patients who underwent unilateral lateral rectus recession or bilateral lateral rectus recession for intermittent exotropia with a minimum postoperative follow-up of 3 years were retrospectively reviewed. Postoperative stereoacuity was measured using the vectogram test and Titmus test at 1 month post-operative. The deviation angle was measured at near and at distance using a prism cover test. Patients were divided into two groups according to post-operative angle deviation, and stereoacuity was analyzed in both groups. RESULTS: Sixty patients showed no suppression at distance at 1 month post-operative follow-up. Of these, 55 patients (85.9%) belonged to the success group and 5 patients (50.0%) belonged to the recurrence group. The post-operative suppression test and the surgical outcome exhibited a significant association (p = 0.017). 53 patients showed normal stereoacuity 1 month after surgery. Of these, 49 patients (76.6%) belonged to the success group and 4 patients (40.0%) belonged to the recurrence group (p = 0.017). Post-operative stereoacuity and surgical outcome exhibited a significant association (p = 0.026). CONCLUSIONS: Post-operative suppression test results at distance and stereoacuity at near may be helpful in predicting surgical outcomes of patients with intermittent exotropia.
Key Words: Intermittent exotropia;Stereoacuity;Surgical outcomes

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