Real-time corneal segmentation and 3D needle tracking in intrasurgical OCT.
Journal Article (Journal Article)
Ophthalmic procedures demand precise surgical instrument control in depth, yet standard operating microscopes supply limited depth perception. Current commercial microscope-integrated optical coherence tomography partially meets this need with manually-positioned cross-sectional images that offer qualitative estimates of depth. In this work, we present methods for automatic quantitative depth measurement using real-time, two-surface corneal segmentation and needle tracking in OCT volumes. We then demonstrate these methods for guidance of ex vivo deep anterior lamellar keratoplasty (DALK) needle insertions. Surgeons using the output of these methods improved their ability to reach a target depth, and decreased their incidence of corneal perforations, both with statistical significance. We believe these methods could increase the success rate of DALK and thereby improve patient outcomes.
- Keller, B; Draelos, M; Tang, G; Farsiu, S; Kuo, AN; Hauser, K; Izatt, JA
- June 1, 2018
Volume / Issue
- 9 / 6
Start / End Page
- 2716 - 2732
Pubmed Central ID
International Standard Serial Number (ISSN)
Digital Object Identifier (DOI)
- United States