Table of Contents Author Guidelines Submit a Manuscript
Journal of Ophthalmology
Volume 2017 (2017), Article ID 4313784, 9 pages
https://doi.org/10.1155/2017/4313784
Clinical Study

Keraring Intrastromal Segment Depth Measured by Spectral-Domain Optical Coherence Tomography in Eyes with Keratoconus

1Department of Surgical Sciences, Eye Clinic, University of Turin, Turin, Italy
2Department of Eye Diseases, Ophthalmic Hospital of Turin, Turin, Italy

Correspondence should be addressed to Ugo de Sanctis; ti.otinu@sitcnased.ogu

Received 20 September 2016; Revised 13 December 2016; Accepted 29 December 2016; Published 2 February 2017

Academic Editor: Anna Nowinska

Copyright © 2017 Ugo de Sanctis et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. J. Colin, B. Cochener, G. Savary, and F. Malet, “Correcting keratoconus with intracorneal rings,” Journal of Cataract and Refractive Surgery, vol. 26, no. 8, pp. 1117–1122, 2000. View at Publisher · View at Google Scholar · View at Scopus
  2. J. G. Bromley and J. B. Randleman, “Treatment strategies for corneal ectasia,” Current Opinion in Ophthalmology, vol. 21, no. 4, pp. 255–258, 2010. View at Publisher · View at Google Scholar · View at Scopus
  3. D. P. Piñero and J. L. Alio, “Intracorneal ring segments in ectatic corneal disease—a review,” Clinical and Experimental Ophthalmology, vol. 38, no. 2, pp. 154–167, 2010. View at Publisher · View at Google Scholar · View at Scopus
  4. S. Patel, J. Marshall, and F. W. Fitzke III, “Model for deriving the optical performance of the myopic eye corrected with an intracorneal ring,” Journal of Refractive Surgery, vol. 11, no. 4, pp. 248–252, 1995. View at Google Scholar · View at Scopus
  5. T. A. Silvestrini, M. L. Mathis, B. E. Loomas, and T. E. Burris, “A geometric model to predict the change in corneal curvature from the intrastromal corneal ring (ICR),” Investigative Ophthalmology & Visual Science, vol. 35, p. 2023, 1994. View at Google Scholar
  6. T. E. Burris, C. T. Ayer, D. A. Evensen, and J. M. Davenport, “Effects of intrastromal corneal ring size and thickness on corneal flattening in human eyes,” Refractive and Corneal Surgery, vol. 7, no. 1, pp. 46–50, 1991. View at Google Scholar · View at Scopus
  7. J. Ruckhofer, J. Stoiber, E. Alzner, and G. Grabner, “One year results of European multicenter study of intrastromal corneal ring segments. Part 2: complications, visual symptoms, and patient satisfaction,” Journal of Cataract and Refractive Surgery, vol. 27, no. 2, pp. 287–296, 2001. View at Publisher · View at Google Scholar · View at Scopus
  8. M. M. Lai, M. Tang, E. M. M. Andrade et al., “Optical coherence tomography to assess intrastromal corneal ring segment depth in keratoconic eyes,” Journal of Cataract and Refractive Surgery, vol. 32, no. 11, pp. 1860–1865, 2006. View at Publisher · View at Google Scholar · View at Scopus
  9. E. Gorgun, R. B. Kucumen, N. M. Yenerel, and F. Ciftci, “Assessment of intrastromal corneal ring segment position with anterior segment optical coherence tomography,” Ophthalmic Surgery Lasers and Imaging, vol. 43, no. 3, pp. 214–221, 2012. View at Publisher · View at Google Scholar · View at Scopus
  10. M. Naftali and H. Jabaly-Habib, “Depth of intrastromal corneal ring segments by OCT,” European Journal of Ophthalmology, vol. 23, no. 2, pp. 171–176, 2013. View at Publisher · View at Google Scholar · View at Scopus
  11. P. Pérez-Merino, S. Ortiz, N. Alejandre, I. Jiménez-Alfaro, and S. Marcos, “Quantitative OCT-based longitudinal evaluation of intracorneal ring segment implantation in keratoconus,” Investigative Ophthalmology & Visual Science, vol. 54, no. 9, pp. 6040–6051, 2013. View at Publisher · View at Google Scholar · View at Scopus
  12. V. Westphal, A. M. Rollins, S. Radhakrishnan, and J. A. Izatt, “Correction of geometric and refractive image distortions in optical coherence tomography applying Fermat's principle,” Optics Express, vol. 10, no. 9, pp. 397–404, 2002. View at Publisher · View at Google Scholar · View at Scopus
  13. Y. Li, R. Shekhar, and D. Huang, “Corneal pachymetry mapping with high-speed optical coherence tomography,” Ophthalmology, vol. 113, no. 5, pp. 792.e2–799.e2, 2006. View at Publisher · View at Google Scholar · View at Scopus
  14. J. M. Bland and D. G. Altman, “Statistical methods for assessing agreement between two methods of clinical measurement,” Lancet, vol. 1, no. 8476, pp. 307–310, 1986. View at Google Scholar · View at Scopus
  15. U. de Sanctis, A. Missolungi, B. Mutani, L. Richiardi, and F. M. Grignolo, “Reproducibility and repeatability of central corneal thickness measurement in keratoconus using the rotating scheimpflug camera and ultrasound pachymetry,” American Journal of Ophthalmology, vol. 144, no. 5, pp. 712.e1–718.e1, 2007. View at Publisher · View at Google Scholar · View at Scopus
  16. F.-X. Kouassi, C. Buestel, B. Raman et al., “Comparison of the depth predictability of intra corneal ring segment implantation by mechanical versus femtosecond laser-assisted techniques using optical coherence tomography (OCT Visante®),” Journal Français d'Ophtalmologie, vol. 35, no. 2, pp. 94–99, 2012. View at Publisher · View at Google Scholar · View at Scopus
  17. H. K. Soong, S. Mian, O. Abbasi, and T. Juhasz, “Femtosecond laser-assisted posterior lamellar keratoplasty: initial studies of surgical technique in eye bank eyes,” Ophthalmology, vol. 112, no. 1, pp. 44–49, 2005. View at Publisher · View at Google Scholar · View at Scopus
  18. Y. J. Jones, K. M. Goins, J. E. Sutphin, R. Mullins, and J. M. Skeie, “Comparison of the femtosecond laser (IntraLase) versus manual microkeratome (Moria ALTK) in dissection of the donor in endothelial keratoplasty initial study in eye bank eyes,” Cornea, vol. 27, no. 1, pp. 88–93, 2008. View at Publisher · View at Google Scholar · View at Scopus
  19. P. M. Phillips, L. J. Phillips, H. A. Saad et al., ““Ultrathin” DSAEK tissue prepared with a low-pulse energy, high-frequency femtosecond laser,” Cornea, vol. 32, no. 1, pp. 81–86, 2013. View at Publisher · View at Google Scholar · View at Scopus
  20. D. M. Maurice and F. Monroe, “Cohesive strength of corneal lamellae,” Experimental Eye Research, vol. 50, no. 1, pp. 59–63, 1990. View at Publisher · View at Google Scholar · View at Scopus
  21. Y. Komai and T. Ushiki, “The three-dimensional organization of collagen fibrils in the human cornea and sclera,” Investigative Ophthalmology and Visual Science, vol. 32, no. 8, pp. 2244–2258, 1991. View at Google Scholar · View at Scopus
  22. J. B. Randleman, D. G. Dawson, H. E. Grossniklaus, B. E. McCarey, and H. F. Edelhauser, “Depth-dependent cohesive tensile strength in human donor corneas: implications for refractive surgery,” Journal of Refractive Surgery, vol. 24, no. 1, pp. S85–S89, 2008. View at Google Scholar · View at Scopus
  23. S. Ortiz, P. Pérez-Merino, N. Alejandre, E. Gambra, I. Jimenez-Alfaro, and S. Marcos, “Quantitative OCT-based corneal topography in keratoconus with intracorneal ring segments,” Biomedical Optics Express, vol. 3, no. 5, pp. 814–825, 2012. View at Publisher · View at Google Scholar · View at Scopus
  24. L. J. Müller, E. Pels, and G. F. J. M. Vrensen, “The specific architecture of the anterior stroma accounts for maintenance of corneal curvature,” British Journal of Ophthalmology, vol. 85, no. 4, pp. 437–443, 2001. View at Publisher · View at Google Scholar · View at Scopus