May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Slit-Lamp Adapted Optical Coherence Tomography (SL-OCT) of Schlemm’s Canal After Canaloplasty
Author Affiliations & Notes
  • I. M. Rozenbaum
    Ophthalmology, Einhorn Clinical Research Center, New York Eye and Ear Infirmary, New York, New York
  • Z. Sbeity
    Ophthalmology, Einhorn Clinical Research Center, New York Eye and Ear Infirmary, New York, New York
  • C. Tello
    Ophthalmology, Einhorn Clinical Research Center, New York Eye and Ear Infirmary, New York, New York
    Ophthalmology, New York Medical College, Valhalla, New York
  • J. M. Liebmann
    Ophthalmology, Einhorn Clinical Research Center, New York Eye and Ear Infirmary, New York, New York
    Ophthalmology, NYU School of Medicine, New York, New York
  • R. Ritch
    Ophthalmology, Einhorn Clinical Research Center, New York Eye and Ear Infirmary, New York, New York
    Ophthalmology, New York Medical College, Valhalla, New York
  • Footnotes
    Commercial Relationships  I.M. Rozenbaum, None; Z. Sbeity, None; C. Tello, None; J.M. Liebmann, Heidelberg Engineering, C; R. Ritch, None.
  • Footnotes
    Support  Irving and Elaine Wolbrom Research fund of New York Glaucoma Research Institute; Educational Foundation of America, Westport, CT
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 5092. doi:https://doi.org/
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    • Get Citation

      I. M. Rozenbaum, Z. Sbeity, C. Tello, J. M. Liebmann, R. Ritch; Slit-Lamp Adapted Optical Coherence Tomography (SL-OCT) of Schlemm’s Canal After Canaloplasty. Invest. Ophthalmol. Vis. Sci. 2008;49(13):5092. doi: https://doi.org/.

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

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Abstract

Purpose: : Canaloplasty is a nonpenetrating glaucoma surgical procedure during which a tensioning polypropylene suture is used to permanently dilate Schlemm's canal and distend the trabecular meshwork to increase aqueous humor outflow. We assessed the ability of SL-OCT, a non-contact, infrared light-based technology, to show canalicular dilation and meshwork distension after canaloplasty.

Methods: : Six consecutive patients underwent uncomplicated canaloplasty (2 combined with clear corneal phacoemulsification with lens implantation). All eyes were imaged with SL-OCT between 1 and 4 days post-operatively. Radial SL-OCT images were obtained at 1:30, 3, 4:30, 6, 7:30, 9:00, 10:30, and 12:00 o'clock positions. All images were reviewed by 2 experienced masked observers.

Results: : SL-OCT images showed canalicular dilation in 6/6 (100%) cases and trabecular distension in 4/6 (66.7%) cases and no distension in 2/6 (33.3%) cases. Hyporeflective microfiltration spaces were seen over the scleral flap in 4/6 (66.7%) cases.

Conclusions: : SL-OCT is a useful modality for visualizing Schlemm’s canal and trabecular distension in the early postoperative period after canaloplasty. Additional larger, controlled studies to demonstrate a relationship between canalicular dilation and meshwork distension and IOP are needed.

Keywords: imaging/image analysis: clinical 
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