Repeatability and Reproducibility of Posterior Corneal Curvature Measurements by Combined Scanning-Slit and Placido-Disc Topography after LASIK

Ophthalmology

Volumn 113, Issue 11, 2006, Pages 1918-1926

  Maldonado, Miguel J ^a   Nieto, Juan C ^a   Díez Cuenca, Maite ^a   Piñero, David P ^a  

^a UNIVERSITY CLINIC OF NAVARRA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; ARTICLE; CLINICAL ARTICLE; CLINICAL EXAMINATION; CONTROLLED STUDY; CORNEA; DATA ANALYSIS; EYE REFRACTION; FEMALE; HUMAN; KERATOMILEUSIS; MALE; MYOPIA; PRIORITY JOURNAL; TREATMENT OUTCOME; VALIDATION PROCESS;

ADULT; CORNEAL STROMA; CORNEAL TOPOGRAPHY; FEMALE; HUMANS; KERATOMILEUSIS, LASER IN SITU; MALE; MIDDLE AGED; MYOPIA; POSTOPERATIVE PERIOD; REPRODUCIBILITY OF RESULTS;

EID: 33750315860     PISSN: 01616420     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ophtha.2006.05.053     Document Type: Article

References (55)

1. Cairns G., and McGhee C.N. Orbscan computerized topography: attributes, applications, and limitations. J Cataract Refract Surg 31 (2005) 205-220
2. Sultan G., Baudouin C., Auzerie O., et al. Cornea in Marfan disease: Orbscan and in vivo confocal microscopy analysis. Invest Ophthalmol Vis Sci 43 (2002) 1757-1764
3. Bland M. An Introduction to Medical Statistics. 3rd ed. (2000), Oxford University Press, Oxford, United Kingdom 268-275
4. Leyland M. Validation of Orbscan II posterior corneal curvature measurement for intraocular lens power calculation. Eye 18 (2004) 357-360
5. Langenbucher A., Torres F., Behrens A., et al. Consideration of the posterior corneal curvature for assessment of corneal power after myopic LASIK. Acta Ophthalmol Scand 82 (2004) 264-269
6. Seitz B., Torres F., Langenbucher A., et al. Posterior corneal curvature changes after myopic laser in situ keratomileusis. Ophthalmology 108 (2001) 666-672 discussion 673
7. Sónego-Krone S., López-Moreno G., Beaujon-Balbi O.V., et al. A direct method to measure the power of the central cornea after myopic laser in situ keratomileusis. Arch Ophthalmol 122 (2004) 159-166
8. González Pérez J., Cervino A., Giráldez M.J., et al. Accuracy and precision of EyeSys and Orbscan systems on calibrated spherical test surfaces. Eye Contact Lens 30 (2004) 74-78
9. Twa M.D., Roberts C., Mahmoud A.M., and Chang Jr. J.S. Response of the posterior corneal surface to laser in situ keratomileusis for myopia. J Cataract Refract Surg 31 (2005) 61-71
10. Huang D. A reliable corneal tomography system is still needed. Ophthalmology 110 (2003) 455-456
11. Miyata K., Tokunaga T., Nakahara M., et al. Residual bed thickness and corneal forward shift after laser in situ keratomileusis. J Cataract Refract Surg 30 (2004) 1067-1072
12. Holland S.P., Srivannaboon S., and Reinstein D.Z. Avoiding serious corneal complications of laser assisted in situ keratomileusis and photorefractive keratectomy. Ophthalmology 107 (2000) 640-652
13. Maldonado M.J. Undersurface ablation of the flap for laser in situ keratomileusis retreatment. Ophthalmology 109 (2002) 1453-1464
14. Wang Z., Chen J., and Yang B. Posterior corneal surface topographic changes after laser in situ keratomileusis are related to residual corneal bed thickness. Ophthalmology 106 (1999) 406-409
15. Hernández-Quintela E., Samapunphong S., Khan B.F., et al. Posterior corneal surface changes after refractive surgery. Ophthalmology 108 (2001) 1415-1422
16. Lee D.H., Seo S., Jeong K.W., et al. Early spatial changes in the posterior corneal surface after laser in situ keratomileusis. J Cataract Refract Surg 29 (2003) 778-784
17. Kamiya K., Miyata K., Tokunaga T., et al. Structural analysis of the cornea using scanning-slit corneal topography in eyes undergoing excimer laser refractive surgery. Cornea 23 suppl (2004) S59-S64
18. Naroo S.A., and Charman W.N. Changes in posterior corneal curvature after photorefractive keratectomy. J Cataract Refract Surg 26 (2000) 872-878
19. Kamiya K., Oshika T., Amano S., et al. Influence of excimer laser photorefractive keratectomy on the posterior corneal surface. J Cataract Refract Surg 26 (2000) 867-871
20. Miyata K., Kamiya K., Takahashi T., et al. Time course of changes in corneal forward shift after excimer laser photorefractive keratectomy. Arch Ophthalmol 120 (2002) 896-900
21. Toshino A., Uno T., Ohashi Y., et al. Transient keratectasia caused by intraocular pressure elevation after laser in situ keratomileusis. J Cataract Refract Surg 31 (2005) 202-204
22. Reinstein D.Z., Silverman R.H., Raevsky T., et al. Arc-scanning very high-frequency digital ultrasound for 3D pachymetric mapping of the corneal epithelium and stroma in laser in situ keratomileusis. J Refract Surg 16 (2000) 414-430
23. Maloney R.K. In discussion of: Wang Z, Chen J, Yang B. Posterior corneal surface topographic changes after laser in situ keratomileusis are related to residual corneal bed thickness. Ophthalmology 106 (1998) 409-410
24. Baek T., Lee K., Kagaya F., et al. Factors affecting the forward shift of posterior corneal surface after laser in situ keratomileusis. Ophthalmology 108 (2001) 317-320
25. Oshika T., Tomidokoro A., and Tsuji H. Regular and irregular refractive powers of the front and back surfaces of the cornea. Exp Eye Res 67 (1998) 443-447
26. Cairns G., Collins A., and McGhee C.N. A corneal model for slit-scanning elevation topography. Ophthalmic Physiol Opt 23 (2003) 193-204
27. Bland J.M., and Altman D.G. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1 (1986) 307-310
28. Muscat S., McKay N., Parks S., et al. Repeatability and reproducibility of corneal thickness measurements by optical coherence tomography. Invest Ophthalmol Vis Sci 43 (2002) 1791-1795
29. Maldonado M.J., Arnau V., Navea A., et al. Direct objective quantification of corneal haze following excimer laser photorefractive keratectomy for high myopia. Ophthalmology 103 (1996) 1970-1978
30. Maldonado M.J., Arnau V., Martínez-Costa R., et al. Reproducibility of digital image analysis for measuring corneal haze after myopic photorefractive keratectomy. Am J Ophthalmol 123 (1997) 31-41
31. Maldonado M.J., Ruiz-Oblitas L., Munuera J.M., et al. Optical coherence tomography evaluation of the corneal cap and stromal bed features after laser in situ keratomileusis for high myopia and astigmatism. Ophthalmology 107 (2000) 81-87 discussion 88
32. Nagy ZZ, Süveges I, Németh J. Intraoperative pachymetry during excimer photorefractive keratectomy. Acta Chir Hung 1995-96:35:217-23.
33. Maldonado M.J., Juberías J.R., and Rodríguez-Conde R. Corneal flap thickness and tissue laser ablation in myopic LASIK. [letter]. Ophthalmology 109 (2002) 1042-1043
34. Lattimore Jr. M.R., Kaupp S., Schallhorn S., and Lewis IV R. Orbscan pachymetry: implications of a repeated measures and diurnal variation analysis. Ophthalmology 106 (1999) 977-981
35. González-Méijome J.M., Cerviño A., Yebra-Pimentel E., and Parafita M.A. Central and peripheral corneal thickness measurement with Orbscan II and topographical ultrasound pachymetry. J Cataract Refract Surg 29 (2003) 125-132
36. Prisant O., Hoang-Xuan T., Proano C., et al. Vector summation of anterior and posterior corneal topographical astigmatism. J Cataract Refract Surg 28 (2002) 1636-1643
37. Atchison D.A., Marcos S., and Scott D.H. The influence of the Stiles-Crawford peak location on visual performance. Vision Res 43 (2003) 659-668
38. Orbscan I.I., and Orbscan I.I.z. Operator's Manual [software version 3.12] (2002), Bausch & Lomb, Salt Lake City 8-15
39. Bland J.M., and Altman D.G. Measurement error. BMJ 313 (1996) 744
40. Bland J.M., and Altman D.G. Measurement error and correlation coefficients. BMJ 313 (1996) 41-42
41. Bland J.M., and Altman D.G. Measurement error proportional to the mean. BMJ 313 (1996) 106
42. Kawana K., Tokunaga T., Miyata K., et al. Comparison of corneal thickness measurements using Orbscan II, non-contact specular microscopy, and ultrasonic pachymetry in eyes after laser in situ keratomileusis. Br J Ophthalmol 88 (2004) 466-468
43. Prisant O., Calderon N., Chastang P., et al. Reliability of pachymetric measurements using Orbscan after excimer refractive surgery. Ophthalmology 110 (2003) 511-515
44. Boscia F., La Tegola M.G., Alessio G., and Sborgia C. Accuracy of Orbscan optical pachymetry in corneas with haze. J Cataract Refract Surg 28 (2002) 253-258
45. Fakhry M.A., Artola A., Belda J.I., et al. Comparison of corneal pachymetry using ultrasound and Orbscan II. J Cataract Refract Surg 28 (2002) 248-252
46. Cairns G., McGhee C.N., Collins M.J., et al. Accuracy of Orbscan II slit-scanning elevation topography. J Cataract Refract Surg 28 (2002) 2181-2187
47. Seitz B., Langenbucher A., Torres F., et al. Changes of posterior corneal astigmatism and tilt after myopic laser in situ keratomileusis. Cornea 21 (2002) 441-446
48. Pan Q., Gu Y.S., Wang J., et al. Differences between regressive eyes and non-regressive eyes after LASIK for myopia in the time course of corneal changes assessed with the Orbscan. Ophthalmologica 218 (2004) 96-101
49. Yoshida T., Miyata K., Tokunaga T., et al. Difference map or single elevation map in the elevation of corneal forward shift after LASIK. Ophthalmology 110 (2003) 1926-1930
50. Tanabe T., Oshika T., Tomidokoro A., et al. Standardized color-coded scales for anterior and posterior elevation maps of scanning slit corneal topography. Ophthalmology 109 (2002) 1298-1302
51. Shrout P.E., and Fleiss J.L. Intraclass correlations: uses in assessing rater reliability. Psychol Bull 86 (1979) 420-428
52. Karabatsas C.H., Cook S.D., Papaefthymiou J., et al. Clinical evaluation of keratometry and computerised videokeratography: intraobserver and interobserver variability on normal and astigmatic corneas. Br J Ophthalmol 82 (1998) 637-642
53. Roberts C. Characterization of the inherent error in a spherically-biased corneal topography system in mapping a radially aspheric surface. J Refract Corneal Surg 10 (1994) 103-111 discussion 112-6
54. Tomidokoro A., Oshika T., Amano S., et al. Changes in anterior and posterior corneal curvatures in keratoconus. Ophthalmology 107 (2000) 1328-1332
55. Nawa Y., Masuda K., Ueda T., et al. Evaluation of apparent ectasia of the posterior surface of the cornea after keratorefractive surgery. J Cataract Refract Surg 31 (2005) 571-573