Self-Grading Effect of Inferior Oblique Recession
- Authors
- Yoo, Jun Ho; Kim, Seung-Hyun; Seo, Ji Won; Paik, Hae Jung; Cho, Yoonae A.
- Issue Date
- 3월-2013
- Publisher
- SLACK INC
- Citation
- JOURNAL OF PEDIATRIC OPHTHALMOLOGY & STRABISMUS, v.50, no.2, pp.102 - 105
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF PEDIATRIC OPHTHALMOLOGY & STRABISMUS
- Volume
- 50
- Number
- 2
- Start Page
- 102
- End Page
- 105
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/103837
- DOI
- 10.3928/01913913-20121127-03
- ISSN
- 0191-3913
- Abstract
- Purpose: Inferior oblique (IO) myectomy can result in self-adjustment; the greater the preoperative hyperdeviation, the larger the postoperative correction. This study estimated the effect of IO recession in primary position and in contralateral gaze. Methods: Records of 43 patients with IO muscle over-action associated with congenital unilateral superior oblique palsy were reviewed retrospectively. Seventeen patients who had a unilateral 10-mm recession (IO attached at 2 mm temporal and 3 mm posterior from the inferior rectus muscle insertion) and 26 patients who had a standard 14-mm recession were evaluated at 3 months postoperatively. The effect of the recession was measured by preoperative hyperdeviation minus postoperative hyperdeviation. Results: The average preoperative hyperdeviation was 13.4 +/- 4.83 prism diopters (PD) in primary position and 16.2 +/- 6.32 PD in contralateral gaze in the 10-mm group and 8.0 +/- 3.48 PD in primary position and 12.76 +/- 4.55 PD in contralateral gaze in the 14-mm group. The average deviation at 3 months postoperatively was 2.1 +/- 3.03 in primary position and 2.6 +/- 3.95 PD in contralateral gaze in the 10-mm group and 0.8 +/- 1.21 in primary position and 1.8 +/- 1.95 PD in contralateral gaze in the 14-mm group. The range of self-adjusting effect at 3 months postoperatively was 3 to 20 PD in primary position and 5 to 30 PD in contralateral gaze in the 10-mm group and 3 to 15 PD in primary position and 4 to 24 PD in contralateral gaze in the 14-mm group. The self-grading effect was large and displayed no significant differences at 3 months postoperatively in the 10-and 14-mm groups (P =.104 and.560, respectively). Conclusion: Both IO recession procedures were largely self-grading and no significant differences were evident at 3 months postoperatively. [J Pediatr Ophthalmol Strabismus 2013;50:102-105.]
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