Biomechanics of corneal ectasia and biomechanical treatments

Journal of Cataract and Refractive Surgery

Volumn 40, Issue 6, 2014, Pages 991-998

  Roberts, Cynthia J ^a   Dupps Jr , William J ^b,c  

^a OHIO STATE UNIVERSITY   (United States)

^b LERNER RESEARCH INSTITUTE   (United States)

^c Case Western Reserve University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIOMECHANICS; CORNEA STROMA; CORNEA THICKNESS; KERATOCONUS; PRIORITY JOURNAL; REVIEW; STRESS; YOUNG MODULUS;

BIOMECHANICAL PHENOMENA; CORNEAL STROMA; CORNEAL SURGERY, LASER; CORNEAL TOPOGRAPHY; DILATATION, PATHOLOGIC; ELASTICITY; FINITE ELEMENT ANALYSIS; HUMANS; KERATOCONUS; PROSTHESIS IMPLANTATION; STRESS, MECHANICAL;

EID: 84901422116     PISSN: 08863350     EISSN: 18734502     Source Type: Journal    
DOI: 10.1016/j.jcrs.2014.04.013     Document Type: Review

References (56)

1. W.-J. Kim, Y.S. Rabinowitz, D.M. Meisler, and S.E. Wilson Keratocyte apoptosis associated with keratoconus Exp Eye Res 69 1999 475 481
2. F.J. Matthews, S.D. Cook, M.A. Majid, A.D. Dick, and V.A. Smith Changes in the balance of the tissue inhibitor of matrix metalloproteinases (TIMPs)-1 and -3 may promote keratocyte apoptosis in keratoconus Exp Eye Res 84 2007 1125 1134
3. K.M. Meek, S.J. Tuft, Y. Huang, P.S. Gill, S. Hayes, R.H. Newton, and A.J. Bron Changes in collagen orientation and distribution in keratoconus corneas Invest Ophthalmol Vis Sci 46 2005 1948 1956 Available at: http://www.iovs.org/content/46/6/1948.full.pdf Accessed January 25, 2014
4. N. Morishige, A.J. Wahlert, M.C. Kenney, D.J. Brown, K. Kawamoto, T-i Chikama, T. Nishida, and J.V. Jester Second-harmonic imaging microscopy of normal human and keratoconus cornea Invest Ophthalmol Vis Sci 48 2007 1087 1094 Available at: http://www.iovs.org/cgi/reprint/48/3/1087 Accessed January 25, 2014
5. C.S. Foster, and G.K. Yamamoto Ocular rigidity in keratoconus Am J Ophthalmol 86 1978 802 806
6. D.J. Cannon, and C.S. Foster Collagen crosslinking in keratoconus Invest Ophthalmol Vis Sci 17 1978 63 65 Available at: http://www.iovs.org/cgi/reprint/ 17/1/63 Accessed January 25, 2014
7. T.T. Andreassen, A.H. Simonsen, and H. Oxlund Biomechanical properties of keratoconus and normal corneas Exp Eye Res 31 1980 435 441
8. I.S. Nash, P.R. Greene, and C.S. Foster Comparison of mechanical properties of keratoconus and normal corneas Exp Eye Res 35 1982 413 424
9. T. Seiler, and A.W. Quurke Iatrogenic keratectasia after LASIK in a case of forme fruste keratoconus J Cataract Refract Surg 24 1998 1007 1009
10. I.G. Pallikaris, G.D. Kymionis, and N.I. Astyrakakis Corneal ectasia induced by laser in situ keratomileusis J Cataract Refract Surg 27 2001 1796 1802
11. S.E. Wilson, and S.D. Klyce Screening for corneal topographic abnormalities before refractive surgery Ophthalmology 101 1994 147 152
12. N. Maeda, S.D. Klyce, M.K. Smolek, and H.W. Thompson Automated keratoconus screening with corneal topography analysis Invest Ophthalmol Vis Sci 35 1994 2749 2757 Available at: http://www.iovs.org/cgi/reprint/35/6/2749.pdf Accessed January 25, 2014
13. Y.S. Rabinowitz Videokeratographic indices to aid in screening for keratoconus J Refract Surg 11 1995 371 379
14. N. Maeda, S.D. Klyce, and M.K. Smolek Comparison of methods for detecting keratoconus using videokeratography Arch Ophthalmol 113 1995 870 874
15. M.K. Smolek, and S.D. Klyce Current keratoconus detection methods compared with a neural network approach Invest Ophthalmol Vis Sci 38 1997 2290 2299 Available at: http://www.iovs.org/cgi/reprint/38/11/229 Accessed January 25, 2014
16. P. Binder Ectasia after laser in situ keratomileusis J Cataract Refract Surg 29 2003 2419 2429
17. J.B. Randleman, B. Russell, M.A. Ward, K.P. Thompson, and R.D. Stulting Risk factors and prognosis for corneal ectasia after LASIK Ophthalmology 110 2003 267 275
18. J.B. Randleman, M. Woodward, M.J. Lynn, and R.D. Stulting Risk assessment for ectasia after corneal refractive surgery Ophthalmology 115 2008 37 50
19. J.B. Randleman, W.B. Trattler, and R.D. Stulting Validation of the Ectasia Risk Score System for preoperative laser in situ keratomileusis screening Am J Ophthalmol 145 2008 813 818
20. X. Li, H. Yang, and Y.S. Rabinowitz Keratoconus: classification scheme based on videokeratography and clinical signs J Cataract Refract Surg 35 2009 1597 1603
21. J.T. Holladay Keratoconus detection using corneal topography J Refract Surg 25 2009 S958 S962
22. S.N. Rao, T. Raviv, P.A. Majmudar, and R.J. Epstein Role of Orbscan II in screening keratoconus suspects before refractive corneal surgery Ophthalmology 109 2002 1642 1646
23. R. Ambrósio Jr., S.D. Klyce, and S.E. Wilson Corneal topographic and pachymetric screening of keratorefractive patients J Refract Surg 19 2003 24 29
24. R.J. Duffey Preoperative LASIK screening: an evolving standard of care [letter] J Cataract Refract Surg 31 2005 1084 1085
25. K.F. Tabbara, and A.A. Kotb Risk factors for corneal ectasia after LASIK Ophthalmology 113 2006 1618 1622
26. R. Ambrósio Jr., R.S. Alonso, A. Luz, and L.G. Coca Velarde Corneal-thickness spatial profile and corneal-volume distribution: tomographic indices to detect keratoconus J Cataract Refract Surg 32 2006 1851 1859
27. A. Wolf, W. Abdallat, A. Kollias, S.J. Fröhlich, M. Grueterich, and C.A. Lackerbauer Mild topographic abnormalities that become more suspicious on Scheimpflug imaging Eur J Ophthalmol 19 2009 10 17
28. B. Jafri, X. Li, H. Yang, and Y.S. Rabinowitz Higher order wavefront aberrations and topography in early and suspected keratoconus J Refract Surg 23 2007 774 781
29. D.Z. Reinstein, T.J. Archer, and M. Gobbe Stability of LASIK in topographically suspect keratoconus confirmed non-keratoconic by Artemis VHF digital ultrasound epithelial thickness mapping: 1-year follow-up J Refract Surg 25 2009 569 577
30. S.R. Klein, R.J. Epstein, J.B. Randleman, and R.D. Stulting Corneal ectasia after laser in situ keratomileusis in patients without apparent preoperative risk factors Cornea 25 2006 388 403
31. R. Ambrósio Jr., D.G. Dawson, M. Salomão, F.P. Guerra, A.L.C. Caiado, and M.W. Belin Corneal ectasia after LASIK despite low preoperative risk: tomographic and biomechanical findings in the unoperated, stable, fellow eye J Refract Surg 26 2010 906 911
32. B.M. Fontes, R. Ambrósio Jr., M. Salomão, G.C. Velarde, and W. Nosé Biomechanical and tomographic analysis of unilateral keratoconus J Refract Surg 26 2010 677 681
33. D.A. Luce Determining in vivo biomechanical properties of the cornea with an ocular response analyzer J Cataract Refract Surg 31 2005 156 162
34. C. Schweitzer, C.J. Roberts, A.M. Mahmoud, J. Colin, S. Maurice-Tison, and J. Kerautret Screening of forme fruste keratoconus with the Ocular Response Analyzer Invest Ophthalmol Vis Sci 51 2010 2403 2410 Available at: http://www.iovs.org/content/51/5/2403.full.pdf Accessed January 25, 2014
35. M.K. Smolek, and S.D. Klyce Is keratoconus a true ectasia? An evaluation of corneal surface area Arch Ophthalmol 118 2000 1179 1186 Available at: http://archopht.jamanetwork.com/data/Journals/OPHTH/9878/ecs80115.pdf Accessed January 25, 2014
36. A. Sinha Roy, and W.J. Dupps Jr. Computational modeling of keratoconus progression and differential responses to collagen crosslinking Invest Ophthalmol Vis Sci 52 2011 9174 9187 Available at: http://www.iovs.org/content/ 52/12/9174.full.pdf Accessed January 25, 2014
37. K. Anderson, A. El-Sheikh, and T. Newson Application of structural analysis to the mechanical behavior of the cornea J R Soc Interface 1 2004 3 15 Available at: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1618927/pdf/16849148. pdf Accessed January 14, 2014
38. A. Gefen, R. Shalom, D. Elad, and Y. Mandel Biomechanical analysis of the keratoconic cornea J Mech Behav Biomed Mater 2 2009 224 236
39. A. Sinha Roy, and W.J. Dupps Jr. Effects of altered corneal stiffness on native and postoperative LASIK corneal biomechanical behavior: a whole-eye finite element analysis J Refract Surg 25 2009 875 887
40. A. Sinha Roy, and W.J. Dupps Jr. Patient-specific modeling of corneal refractive surgery outcomes and inverse estimation of elastic property changes J Biomech Eng 133 2011 011002
41. M.R. Ford, W.J. Dupps Jr., S. Sinha Roy, A.M. Rollins, and Z. Hu Method for optical coherence elastography of the cornea J Biomed Opt 16 2011 016005 Available at: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3041813/pdf/JBOPFO- 000016-016005-1.pdf Accessed January 25, 2014
42. C.W. Hong, A. Sinha-Roy, L. Schoenfield, J.T. McMahon, and W.J. Dupps Jr. Collagenase-mediated tissue modeling of corneal ectasia and collagen cross-linking treatments Invest Ophthalmol Vis Sci 53 2012 2321 2327 Available at: http://www.iovs.org/content/53/4/2321.full.pdf Accessed January 25, 2014
43. D.G. Dawson, H.E. Grossniklaus, B.E. McCarey, and H.F. Edelhauser Biomechanical and wound healing characteristics of corneas after excimer laser keratorefractive surgery: is there a difference between advanced surface ablation and sub-Bowman's keratomileusis? J Refract Surg 24 2008 S90 S96
44. 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 J Refract Surg 24 2008 S85 S89
45. P.S. Hersh, S.A. Greenstein, and K.L. Fry Corneal collagen crosslinking for keratoconus and corneal ectasia: one-year results J Cataract Refract Surg 37 2011 149 160
46. S.A. Greenstein, V.P. Shah, K.L. Fry, and P.S. Hersh Corneal thickness changes after corneal collagen crosslinking for keratoconus and corneal ectasia: one-year results J Cataract Refract Surg 37 2011 691 700
47. G. Wollensak, E. Spoerl, and T. Seiler Riboflavin/ultraviolet-A-induced collagen crosslinking for the treatment of keratoconus Am J Ophthalmol 135 2003 620 627 Available at: http://grmc.ca/assets/files/collagen-crosslinking-2003- wollensak.pdf Accessed January 25, 2014
48. C. Dauwe, D. Touboul, C.J. Roberts, A. Mahmoud, J. Kérautret, P. Fournier, F. Malecaze, and J. Colin Biomechanical and morphological corneal response to placement of intrastromal corneal ring segments for keratoconus J Cataract Refract Surg 35 2009 1761 1767
49. C.J. Roberts Biomechanics of INTACS in keratoconus J. Colin, A. Ertan, Intracorneal Ring Segments and Alternative Treatments for Corneal Ectatic Diseases 2007 Kudret Eye Hospital Ankara Turkey 157 166
50. G.E. Tamayo Fernandez, and M.G. Serrano Early clinical experience using custom excimer laser ablations to treat irregular astigmatism J Cataract Refract Surg 26 2000 1442 1450
51. G. Cennamo, A. Intravaja, D. Boccuzzi, G. Marotta, and G. Cennamo Treatment of keratoconus by topography-guided customized photorefractive keratectomy: two-year follow-up study J Refract Surg 24 2008 145 149
52. G. Kamburoglu, and A. Ertan Intacs implantation with sequential collagen cross-linking treatment in postoperative LASIK ectasia J Refract Surg 24 2008 S726 S729
53. A.J. Kanellopoulos Comparison of sequential vs same-day simultaneous collagen cross-linking and topography-guided PRK for treatment of keratoconus J Refract Surg 25 2009 S812 S818
54. G.D. Kymionis, G.A. Kontadakis, G.A. Kounis, D.M. Portaliou, A.E. Karavitaki, M. Magarakis, S. Yoo, and I.G. Pallikaris Simultaneous topography-guided PRK followed by corneal collagen cross-linking for keratoconus J Refract Surg 25 2009 S807 S811
55. R.R. Krueger, and A.J. Kanellopoulos Stability of simultaneous topography-guided photorefractive keratectomy and riboflavin/UVA cross-linking for progressive keratoconus: case reports J Refract Surg 26 2010 S827 S832
56. A. Stojanovic, J. Zhang, X. Chen, T.A. Nitter, S. Chen, and Q. Wang Topography-guided transepithelial surface ablation followed by corneal collagen cross-linking performed in a single combined procedure for the treatment of keratoconus and pellucid marginal degeneration J Refract Surg 26 2010 145 152