Combination of anterior segment optical coherence tomography modalities to improve accuracy of rectus muscle insertion location

Michael J. Venincasa, Carla Osigian Probst, Kara M Cavuoto, Julia D. Rossetto, Hilda Capo

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Anterior segment optical coherence tomography (AS-OCT) is useful for locating the extraocular muscle insertion prior to strabismus surgery; however, its accuracy decreases in reoperations. This masked retrospective study investigated whether a combination of AS-OCT modalities improves accuracy. The distance between the corneoscleral limbus and extraocular muscle insertion was measured with AS-OCT, first using the standard grayscale modality alone and then refined with the color modality. The AS-OCT measurement was considered accurate when within 1.00 mm of the intraoperative caliper measurement. A total of 139 AS-OCT images were analyzed from 74 patients (mean age, 52 years), including 60 medial rectus (19 reoperations), 61 lateral rectus (11 reoperations), 10 superior rectus, and 8 inferior rectus muscles. Compared to grayscale alone, the combination grayscale/color modalities improved AS-OCT accuracy from 77% to 87% (P = 0.03), reflecting an increase from 83% to 94% (P = 0.01) in primary surgeries and from 53% to 60% (P = 0.60) in reoperations.

Original languageEnglish (US)
Pages (from-to)243-246
Number of pages4
JournalJournal of AAPOS
Volume21
Issue number3
DOIs
StatePublished - Jun 1 2017

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Optical Coherence Tomography
Reoperation
Muscles
Oculomotor Muscles
Color
Strabismus
Retrospective Studies

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Ophthalmology

Cite this

Combination of anterior segment optical coherence tomography modalities to improve accuracy of rectus muscle insertion location. / Venincasa, Michael J.; Osigian Probst, Carla; Cavuoto, Kara M; Rossetto, Julia D.; Capo, Hilda.

In: Journal of AAPOS, Vol. 21, No. 3, 01.06.2017, p. 243-246.

Research output: Contribution to journalArticle

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