Clinical utility of anterior segment optical coherence tomography in strabismus surgery: Prospective observational study
Aim: The aim of this study is to evaluate the accuracy of the anterior segment optical coherence tomography (AS-OCT) in measuring the distance from the limbus to the insertion of primary and previously operated horizontal rectus muscles. Materials and Methods: This was prospective observational stud...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wolters Kluwer Medknow Publications
2017-01-01
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| Series: | Kerala Journal of Ophthalmology |
| Subjects: | |
| Online Access: | http://www.kjophthal.com/article.asp?issn=0976-6677;year=2017;volume=29;issue=2;spage=112;epage=115;aulast=John |
| Summary: | Aim: The aim of this study is to evaluate the accuracy of the anterior segment optical coherence tomography (AS-OCT) in measuring the distance from the limbus to the insertion of primary and previously operated horizontal rectus muscles.
Materials and Methods: This was prospective observational study; we did AS-OCT preoperatively and measured the distance from angle of anterior chamber to muscle insertion using the caliper tool provided in the software. We calculated limbus-insertion distance by adding 1 mm to the angle-insertion distance. We compared this value with intraoperative measurement obtained with surgical caliper.
Results: Totally 35 muscles were evaluated, including 12 previously operated muscles. 88.6% of the measurements were within the 1 mm difference considered clinically acceptable. Bland– Altman plots showed good agreement between the two methods.
Conclusions: AS-OCT can image the horizontal rectus muscle insertions well and provide good reliability and accuracy in measurement of the limbus-insertion distance. |
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| ISSN: | 0976-6677 |