Intraobserver and interobserver reproducibility in the evaluation of ultrasonic pachymetry measurements of central corneal thickness

British Journal of Ophthalmology

Volumn 88, Issue 2, 2004, Pages 174-177

  Miglior, S ^a   Albe, E ^b   Guareschi, M ^b   Mandelli, G ^b   Gomarasca, S ^a   Orzalesi, N ^b  

^a UNIVERSITY OF MILANO BICOCCA   (Italy)

^b UNIVERSITY OF MILAN   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; AGED; ARTICLE; CALCULATION; CLINICAL ARTICLE; CONTROLLED STUDY; CORNEA THICKNESS; CORRELATION COEFFICIENT; DIAGNOSTIC PROCEDURE; EVALUATION; HUMAN; MEASUREMENT; OBSERVATION; PRIORITY JOURNAL; REPRODUCIBILITY; SCORING SYSTEM;

AGED; AGED, 80 AND OVER; CORNEA; DIAGNOSTIC TECHNIQUES, OPHTHALMOLOGICAL; GLAUCOMA, OPEN-ANGLE; HUMANS; LINEAR MODELS; MIDDLE AGED; OBSERVER VARIATION; OCULAR HYPERTENSION; REFERENCE VALUES; REPRODUCIBILITY OF RESULTS;

EID: 0942301213     PISSN: 00071161     EISSN: None     Source Type: Journal    
DOI: 10.1136/bjo.2003.023416     Document Type: Article

References (44)

1. Carr J, Hersh P. Patient evaluation for refractive surgery. In: Azar DT, ed. Refractive Surgery. Stanford, CT: Appleton & Lange Publishers, 1997:101-9.
2. Doughty MJ, Zaman ML. Human corneal thickness and its impact on intraocular pressure measures: a review and meta-analysis approach. Surv Ophthalmol 2000;44:367-408.
3. Ehlers N, Hansen FK. Central corneal thickness in low-tension glaucoma. Acta Ophthalmol (Copenh) 1974;52:740-6.
4. Ehlers N, Bramsen T, Sperling S. Applanation tonometry and central corneal thickness. Acta Ophthalmol (Copenh) 1975;53:34-43.
5. Herndon LW, Choudhri SA, Cox T, et al. Central corneal thickness in normal, glaucomatous and ocular hypertensive eyes. Arch Ophthalmol 1975;115:1137-41.
6. Johnson M, Kass MA, Moses RA, et al. Increased corneal thickness simulating elevated intraocular pressure. Arch Ophthalmol 1978;96:664-5.
7. Whitacre MM, Stein RA, Hassanein K. The effect of corneal thickness on applanation tonometry. Am J Ophthalmol 1993;115:592-6.
8. Argus WA. Ocular hypertension and central corneal thickness. Ophthalmology 1995;102:1810-12.
9. Wolfs RCW, Klaver CCW, Vingerling JR, et al. Distribution of central corneal thickness and its association with intraocular pressure. The Rotterdam study. Am J Ophtholmol 1997;123:767-72.
10. Stodtmaister R. Applanation tonometry and correction according to corneal thickness. Acta Ophthalmol Scand 1998;76:319-24.
11. Copt RP, Thomas R, Mermoud A. Corneal thickness in ocular hypertension, primary open-angle glaucoma and normal tension glaucoma. Arch Ophthalmol 1999;117:14-16.
12. Bron AM, Creuzot-Garcher C, Goudeau-Boutillon S, et al. Falsely elevated intraocular pressure due to increased central corneal thickness. Graefes Arch Clin Exp Ophthalmol 1999;237:220-4.
13. Shah S, Chatterjee A, Mathai M, et al. Relationship between corneal thickness and measured intraocular pressure in a general ophthalmology clinic. Ophthalmology 1999;106:2154-60.
14. Herman DC, Hodge DO, Bourne WM. Increased corneal thickness in patients with ocular hypertension. Arch Ophthalmol 2001;119:334-6.
15. Brandt JD, Beiser JA, Kass MA, et al. Central corneal thickness in the Ocular Hypertension Treatment Study (OHTS). Ophthalmology 2001;108:1779-88.
16. Goldmann H, Schmidt T. Uber applanationstonometrie. Ophthalmologí ca 1957;134:221-42.
17. Gloster J, Perkins ES. The validity of the Imbert-Flick law as applied to applanation tonometry. Exp Eye Res 1963;2:274-83.
18. Feltgen N, Leifert D, Funk J. Correlation between central corneal thickness, applanation tonometry, and direct intracameral IOP readings. Br J Ophthalmol 2001;85:85-7.
19. Gordon MO, Beiser JA, Brandt JD, et al. The Ocular Hypertension Treatment Study. Baseline factors that predict the onset of primary open-angle glaucoma. Arch Ophthalmol 2002;120:714-20.
20. Medeiros F, Sample PA, Weinreb RN. Corneal thickness measuremens and visual function abnormalities in ocular hypertensive patients. Am J Ophthalmol 2003;135:131-7.
21. Muscat S, McKay N, Parks S, et al. Repeatability and reproducibility of corneal thickness measurements by optical coherence tomography. Invest Ophthalmol Vis Sci 2002;43:1791-5.
22. Salz JJ, Azen SP, Berstein J, et al. Evaluation and comparison of sources of variability in the measurement of corneal thickness with ultrasonic pachymeters. Ophthal Surg 1983;14:750-4.
23. Villasenor RA, Santos VR, Cox KC, et al. Comparison of ultrasonic corneal thickness measurements before and during surgery in the Prospective Evaluation of Radial Keratotomy (PERK) study. Ophthalmology 1986;93:327-30.
24. Gordon A, Boggess EA, Molinari JF. Variability of ultrasonic pachymetry. Optom Vis Sci 1990;67:162-5.
25. Giasson C, Forthomme D. Comparison of central corneal thickness measurements between optical and ultrasound pachometers. Optom Vis Sci 1992;69:236-41.
26. Wheeler NC, Morantes CM, Kristensen RM, et al. Reliability coefficients of three corneal pachymeters. Am J Ophthalmol 1992;113:645-51.
27. Stucchi CA, Gennari G, Aimino G, et al. Systematic error in computerized pachymetry. Ophthalmologica 1993;207:208-14.
28. Yaylali V, Kaufmann SC, Thompson HW. Corneal thickness measurement with the Orbscan Topography System and ultrasonic pachymetry. J Cataract Refract Surg 1997;23:1345-50.
29. Marsich MW, Bullimore AAA. The repeatability of corneal thickness measures. Cornea 2000;19:792-5.
30. Harper CL, Boulton ME, Bennet D, et al. Diurnal variations in human corneal thickness. Br J Ophthalmol 1996;80:1068-72.
31. Lattimore MR Jr, Kaupp S, Schallhorn S, et al. Orbscan pachymetry: implications of a repeated measures and diurnal variation analysis. Ophthalmology 1999;106:977-81.
32. Shah S, Spedding C, Bhojwani R, et al. Assessment of the diurnal variation in central corneal thickness and intraocular pressure for patients with suspected glaucoma. Ophthalmology 2000;107:1191-3.
33. Feng Y, Varikooty J, Simpson TL. Diurnal variation of corneal and corneal epithelial thickness measured using optical coherence tomography. Cornea 2001;20:480-3.
34. Fleiss JL, Cohen J. The equivalence of weighted kappa and the intraclass correlation coefficient as measures of reliability. Educational and Psychological Measurement 1973;33:613-19.
35. Snedecor GW, Cochran WG. Statistical Methods, 8th edn. Ames: Iowa State University Press, 1989:242-3.
36. Landis JR, Koch GG. The measurement of observer agreement for categorical data. Biometrics 1977;33:159-74.
37. Altman DG, Bland JM. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1986;8:307-10.
38. Leske MC, Connell AMS, Wu SY, et al. Incidence of open-angle glaucoma. The Barbados Eye Studies. Arch Ophthalmol 2001;119:89-95.
39. The AGIS Investigators. The Advanced Glaucoma Intervention Study (AGIS): 7. The relationship between control of intraocular pressure and visual field deterioration. Am J Ophthalmol 2000;130:429-40.
40. Kass MA, Heuer DK, Higginbotham EJ, et al. The Ocular Hypertension Treatment Study. A randomized trial determines that topical ocular hypotensive medication delays or prevents the onset of primary open-angle glaucoma. Arch Ophthalmol 2002;120:701-13.
41. Hejil A, Leske MC, Bengtsson B, et al. Reduction of intraocular pressure and glaucoma progression. Results from the Early Manifest Glaucoma Trial. Arch Ophthalmol 2002;120:1268-79.
42. Moses RA, Liu CH. Repeated applanation tonometry. Am J Ophthalmol 1968;66:89-91.
43. Phelps CD, Phelps GK. Measurement of intraocular pressure: a study of its reproducibility. Graefes Arch Clin Exp Ophthalmol 1976;198:39-43.
44. Sudesh S, Moseley MJ, Thompson JR. Accuracy of Goldmann tonometry in clinical practice. Acta Ophthalmol 1993;71:185-8.