Modeling the intracorneal ring segment effect in keratoconus using refractive, Keratometric, and corneal aberrometric data

Investigative Ophthalmology and Visual Science

Volumn 51, Issue 11, 2010, Pages 5583-5591

  Piñero, David P ^a,b   Alio, Jorge L ^a,c   Teus, Miguel A ^d,e   Barraquer, Rafael I ^f   Uceda Montañés, Antonio ^d  

^a Vissum/Instituto Oftalmológico de Alicante ^*  (Spain)

^b UNIVERSITY OF ALICANTE   (Spain)

^c MIGUEL HERNÁNDEZ UNIVERSITY   (Spain)

^d VISSUM Corporacion Oftalmologica   (Spain)

^e UNIVERSITY OF ALCALÁ   (Spain)

^f INSTITUT UNIVERSITARI BARRAQUER   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

ABERROMETRY; ADOLESCENT; ADULT; AGED; ARTICLE; ASTIGMATISM; BIOMECHANICS; CENTRAL CORNEA CURVATURE; FEMTOSECOND LASER; HUMAN; IMPLANT; INTRACORNEAL RING; INTRACORNEAL RING SEGMENT THICKNESS; KERATOCONUS; KERATOMETRY; MAJOR CLINICAL STUDY; MATHEMATICAL MODEL; MULTIPLE REGRESSION; PHYSICAL PARAMETERS; PREDICTION; PREOPERATIVE EVALUATION; PRIORITY JOURNAL; REFRACTION ERROR; RETROSPECTIVE STUDY;

ABERROMETRY; ADOLESCENT; ADULT; AGED; ASTIGMATISM; CORNEAL STROMA; CORNEAL TOPOGRAPHY; FEMALE; HUMANS; KERATOCONUS; MALE; MIDDLE AGED; MODELS, BIOLOGICAL; PROSTHESES AND IMPLANTS; PROSTHESIS IMPLANTATION; REFRACTION, OCULAR; RETROSPECTIVE STUDIES; VISUAL ACUITY; YOUNG ADULT;

EID: 79956010249     PISSN: 01460404     EISSN: 15525783     Source Type: Journal    
DOI: 10.1167/iovs.09-5017     Document Type: Article

References (39)

1. Torquetti L, Fabri Berbel R, Ferrara P. Long-term follow-up of intrastromal corneal ring segments in keratoconus. J Cataract Refract Surg. 2009;35:1768-1773.
2. Piñero DP, Alió JL, El Kady B, et al. Refractive and aberrometric outcomes of intracorneal ring segments for keratoconus: mechanical versus femtosecond-assisted procedures. Ophthalmology. 2009;116:1675-1687.
3. Ferrara P, Torquetti L. Clinical outcomes after implantation of a new intrastromal corneal ring with a 210-degree arc length. J Cataract Refract Surg. 2009;35:1604-1608.
4. Coskunseven E, Kymionis GD, Tsiklis NS, et al. One-year results of intrastromal corneal ring segment implantation (KeraRing) using femtosecond laser in patients with keratoconus. Am J Ophthalmol. 2008;145:775-779.
5. Shetty R, Kurian M, Anand D, Mhaske P, Narayana KM, Shetty BK. Intacs in advanced keratoconus. Cornea. 2008;27:1022-1029.
6. Ertan A, Ozkilic E. Effect of age on outcomes in patients with keratoconus treated by Intacs using a femtosecond laser. J Refract Surg. 2008;24:690-695.
7. Ertan A, Kamburoglu G. Intacs implantation using femtosecond laser for management of keratoconus: comparison of 306 cases in different stages. J Cataract Refract Surg. 2008;34:1521-1526.
8. Shabayek MH, Alió JL. Intrastromal corneal ring segment implantation by femtosecond laser for keratoconus correction. Ophthalmology. 2007;114:1643-1652.
9. Zare MA, Hashemi H, Salari MR. Intracorneal ring segment implantation for the management of keratoconus: safety and efficacy. J Cataract Refract Surg. 2007;33:1886-1891.
10. Kymionis GD, Siganos CS, Tsiklis NS, et al. Long-term follow-up of Intacs in keratoconus. Am J Ophthalmol. 2007;143:236-244.
11. Alió JL, Shabayek MH, Artola A. Intracorneal ring segments for keratoconus correction: long-term follow-up. J Cataract Refract Surg. 2006;32:978-985.
12. Alió JL, Shabayek MH, Belda JI, Correas P, Feijoo ED. Analysis of results related to good and bad outcomes of Intacs implantation for keratoconus correction. J Cataract Refract Surg. 2006;32:756-761.
13. Ertan A, Kamburoglu G, Bahadir M. Intacs insertion with the femtosecond laser for the management of keratoconus: one-year results. J Cataract Refract Surg. 2006;32:2039-2042.
14. Colin J. European clinical evaluation: use of Intacs for the treatment of keratoconus. J Cataract Refract Surg. 2006;32:747-755.
15. Kanellopoulos AJ, Pe LH, Perry HD, Donnenfeld ED. Modified intracorneal ring segment implantations (INTACS) for the management of moderate to advanced keratoconus: efficacy and complications. Cornea. 2006;25:29-33.
16. Hellstedt T, Mäkelä J, Uusitalo R, Emre S, Uusitalo R. Treating keratoconus with Intacs corneal ring segments. J Refract Surg. 2005;21:236-246.
17. Miranda D, Sartori M, Francesconi C, Allemann N, Ferrara P, Campos M. Ferrara intrastromal corneal ring segments for severe keratoconus. J Refract Surg. 2003;19:645-653.
18. Siganos CS, Kymionis GD, Kartakis N, Theodorakis MA, Astyrakakis N, Pallikaris IG. Management of keratoconus with Intacs. Am J Ophthalmol. 2003;135:64-70.
19. Boxer Wachler BS, Christie JP, Chandra NS, Chou B, Korn T, Nepomuceno R. Intacs for keratoconus. Ophthalmology. 2003; 110:1031-1040.
20. Siganos D, Ferrara P, Chatzinikolas K, Bessis N, Papastergiou G. Ferrara intrastromal corneal rings for the correction of keratoconus. J Cataract Refract Surg. 2002;28:1947-1951.
21. Colin J, Cochener B, Savary G, Malet F, Holmes-Higgin D. INTACS inserts for treating keratoconus: one-year results. Ophthalmology. 2001;108:1409-1414.
22. Colin J, Cochener B, Savary G, Malet F. Correcting keratoconus with intracorneal rings. J Cataract Refract Surg. 2000;26:1117-1122.
23. Fleming JF, Lee Wan W, Schanzlin DJ. The theory of corneal curvature change with the intra-stromal corneal ring. CLAO J. 1989;15:146-150.
24. Patel S, Marshall J, Fitzke III FW. Model for deriving the optical performance of the myopic eye corrected with an intracorneal ring. J Refract Surg. 1995;11:248-252.
25. Burris TE, Baker PC, Ayer CT, Loomas BE, Mathis ML, Silvestrini TA. Flattening of central corneal curvature with intrastromal corneal rings of increasing thickness: an eye-bank eye study. J Cataract Refract Surg. 1993;19(suppl):182-187.
26. Nosé W, Neves RA, Schanzlin DJ, Belfort Júnior R. Intrastromal corneal ring- one-year results of first implants in humans: a preliminary non-functional eye study. Refract Corneal Surg. 1993;9: 452-458.
27. Daxer A, Fratzl P. Collagen orientation in the human corneal stroma and its implication in keratoconus. Invest Ophthalmol Vis Sci. 1997;38:121-129.
28. Alió JL, Artola A, Hassanein A, Haroun H, Galal A. One or 2 Intacs segments for the correction of keratoconus. J Cataract Refract Surg. 2005;31:943-953.
29. Levinger S, Prokroy R. Keratoconus managed with Intacs: one-year results. Arch Ophthalmol. 2005;123:1308-1314.
30. Rabinowitz YS. Keratoconus. Surv Ophthalmol. 1998;42:297-319.
31. Alió JL, Shabayek MH. Corneal higher order aberrations: a method to grade keratoconus. J Refract Surg. 2006;22:539-545.
32. González Pérez J, Cerviño A, Giraldez MJ, Parafita M, Yebra- Pimentel E. Accuracy and precision of EyeSys and Orbscan systems on calibrated spherical test surfaces. Eye Contact Lens. 2004;30:74-78.
33. Applegate RA, Sarver EJ, Khemsara V. Are all aberrations equal? J Refract Surg. 2002;18:S556-S562.
34. Aghamohammadzadeh H, Newton RH, Meek KM. X-ray scattering used to map the preferred collagen orientation in the human cornea and limbus. Structure. 2004;12:249-256.
35. Piñero DP, Alió JL, Uceda-Montanes A, El Kady B, Pascual I. Intracorneal ring segment implantation in corneas with post-laser in situ keratomileusis keratectasia. Ophthalmology. 2009;116:1665-1674.
36. Piñero DP, Alió JL, Barraquer RI, Michael R, Jiménez R. Corneal biomechanics, refraction and corneal aberrometry in keratoconus: an integrated study. Invest Ophthalmol Vis Sci. 2010;51:1948-1955.
37. Luce DA. Determining in vivo biomechanical properties of the cornea with an ocular response analyzer. J Cataract Refract Surg. 2005;31:156-162.
38. Ortiz D, Piñero D, Shabayek MH, Arnalich-Montiel F, Alió JL. Corneal biomechanical properties in normal, post-laser in situ keratomileusis, and keratoconic eyes. J Cataract Refract Surg. 2007;33:1371-1375.
39. Piñero DP, Alió JL. Intracorneal ring segments in ectatic corneal disease-a review. Clin Exp Ophthalmol. 2010;38:154-167.