April 2014
Volume 55, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2014
Spectral Domain Optical Coherence Tomographic Analysis Of The Ocular Equator
Author Affiliations & Notes
  • Mariana Harasawa
    Ophthalmology, Denver Health Medical Center, Denver, CO
  • Guillermo Salcedo
    Ophthalmology, Denver Health Medical Center, Denver, CO
    Rocky Mountain Lions Eye Institute, University of Colorado School of Medicine, Aurora, CO
  • Miguel Paciuc-Beja
    Ophthalmology, Denver Health Medical Center, Denver, CO
    Rocky Mountain Lions Eye Institute, University of Colorado School of Medicine, Aurora, CO
  • Marc T Mathias
    Ophthalmology, Denver Health Medical Center, Denver, CO
    Rocky Mountain Lions Eye Institute, University of Colorado School of Medicine, Aurora, CO
  • Raul Velez-Montoya
    Rocky Mountain Lions Eye Institute, University of Colorado School of Medicine, Aurora, CO
  • Jeffrey L Olson
    Rocky Mountain Lions Eye Institute, University of Colorado School of Medicine, Aurora, CO
  • Scott C Oliver
    Rocky Mountain Lions Eye Institute, University of Colorado School of Medicine, Aurora, CO
  • Naresh Mandava
    Rocky Mountain Lions Eye Institute, University of Colorado School of Medicine, Aurora, CO
  • Hugo Quiroz-Mercado
    Ophthalmology, Denver Health Medical Center, Denver, CO
    Rocky Mountain Lions Eye Institute, University of Colorado School of Medicine, Aurora, CO
  • Footnotes
    Commercial Relationships Mariana Harasawa, None; Guillermo Salcedo, None; Miguel Paciuc-Beja, None; Marc Mathias, None; Raul Velez-Montoya, None; Jeffrey Olson, None; Scott Oliver, None; Naresh Mandava, None; Hugo Quiroz-Mercado, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science April 2014, Vol.55, 3394. doi:https://doi.org/
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      Mariana Harasawa, Guillermo Salcedo, Miguel Paciuc-Beja, Marc T Mathias, Raul Velez-Montoya, Jeffrey L Olson, Scott C Oliver, Naresh Mandava, Hugo Quiroz-Mercado; Spectral Domain Optical Coherence Tomographic Analysis Of The Ocular Equator. Invest. Ophthalmol. Vis. Sci. 2014;55(13):3394. doi: https://doi.org/.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: To analyze and describe the external layers of normal eyes with spectral domain optical coherence tomography (SD-OCT) performed approximately at the ocular equator.

Methods: Retrospective, observational and descriptive analysis of ten eyes of 10 healthy ocular patients. 6 mm anterior segment SD-OCT scans were performed in three locations: 1: at the corneo-scleral limbus, with the limbus in the middle of the scan, visualizing cornea and esclera; 2: posterior to the border of the corneo-scleral limbus; 3, approximately at 5 mm off the limbus, with the scan directed posteriorly. Scans were performed at the nasal and temporal sides of each eye (3 and 9 o’clock meridians). Findings were observed and described.

Results: Visualization of the following structures was accurately performed: conjuntiva, Tenon’s capsule, extra-ocular muscles, and sclera. After correct identification of the layers, thickness measurement was performed with the manual caliper software. Histopathology correlation was done as a comparison to identify each structure.

Conclusions: Ab-externo, in vivo analysis with SD-OCT of outer ocular layers can be correctly performed. SD-OCT can be used to accurately identify and evaluate the conjuntiva, insertion of extra-ocular muscles and characteristics of the sclera.

Keywords: 552 imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) • 550 imaging/image analysis: clinical • 521 extraocular muscles: structure  
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