Repeatability of corneal thickness measured using an oculus pentacam

Optometry and Vision Science

Volumn 86, Issue 3, 2009, Pages 266-272

  Miranda, Marco A ^a   Radhakrishnan, Hema ^a   O'Donnell, Clare ^a  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

Author keywords

Corneal thickness; OCULUS pentacam; Pachymetry; Repeatability; Scheimpflug imaging

Indexed keywords

CORNEAL THICKNESS; OCULUS PENTACAM; PACHYMETRY; REPEATABILITY; SCHEIMPFLUG IMAGING;

THICKNESS MEASUREMENT;

ABERRATIONS;

ADULT; ARTICLE; CORNEA THICKNESS; EQUIPMENT; EVALUATION; FEMALE; HUMAN; MALE; NORMAL HUMAN; PRIORITY JOURNAL; RATING SCALE; REPRODUCIBILITY; ANTERIOR EYE SEGMENT; COMPARATIVE STUDY; CORNEA; HISTOLOGY; INSTRUMENTATION; KERATOMETRY; METHODOLOGY; OBSERVER VARIATION; PROSPECTIVE STUDY; TIME;

ADULT; ANTERIOR EYE SEGMENT; CORNEA; CORNEAL TOPOGRAPHY; FEMALE; HUMANS; MALE; OBSERVER VARIATION; PROSPECTIVE STUDIES; REPRODUCIBILITY OF RESULTS; TIME FACTORS; YOUNG ADULT;

EID: 66149149508     PISSN: 10405488     EISSN: None     Source Type: Journal    
DOI: 10.1097/OPX.0b013e318196a737     Document Type: Article

References (38)

1. Buehl W, Stojanac D, Sacu S, Drexler W, Findl O. Comparison of three methods of measuring corneal thickness and anterior chamber depth. Am J Ophthalmol 2006;141:7-12.
2. Lackner B, Schmidinger G, Skorpik C. Validity and repeatability of anterior chamber depth measurements with Pentacam and Orbscan. Optom Vis Sci 2005;82:858-61.
3. Belin MW. Topography and Scheimpflug Imaging: pearls for refractive surgery screening and keratoconus detection. Cataract Refract Surg Today. 2006:48-50.
4. Lackner B, Schmidinger G, Pieh S, Funovics MA, Skorpik C. Repeatability and reproducibility of central corneal thickness measurement with Pentacam, Orbscan, and ultrasound. Optom Vis Sci 2005;82:892-9.
5. O'Donnell C, Maldonado-Codina C. Agreement and repeatability of central thickness measurement in normal corneas using ultrasound pachymetry and the OCULUS Pentacam. Cornea 2005;24:920-4.
6. Barkana Y, Gerber Y, Elbaz U, Schwartz S, Ken-Dror G, Avni I, Zadok D. Central corneal thickness measurement with the Pentacam Scheimpflug system, optical low-coherence reflectometry pachymeter, and ultrasound pachymetry. J Cataract Refract Surg 2005;31:1729-35.
7. Lam AK, Chen D. Pentacam pachometry: comparison with non-contact specular microscopy on the central cornea and inter-session repeatability on the peripheral cornea. Clin Exp Optom 2007;90:108-14.
8. Gonzalez-Meijome JM, Gonzalez-Perez J, Cervino A, Yebra-Pimentel E, Parafita MA. Changes in corneal structure with continuous wear of high-Dk soft contact lenses: a pilot study. Optom Vis Sci 2003;80:440-6.
9. Jalbert I, Stretton S, Naduvilath T, Holden B, Keay L, Sweeney D. Changes in myopia with low-Dk hydrogel and high-Dk silicone hydrogel extended wear. Optom Vis Sci 2004;81:591-6.
10. McMahon TT, Anderson RJ, Joslin CE, Rosas GA. Precision of three topography instruments in keratoconus subjects. Optom Vis Sci 2001;78:599-604.
11. Liu Z, Pflugfelder SC. The effects of long-term contact lens wear on corneal thickness, curvature, and surface regularity. Ophthalmology 2000;107:105-11.
12. du Toit R, Vega JA, Fonn D, Simpson T. Diurnal variation of corneal sensitivity and thickness. Cornea 2003;22:205-9.
13. Feng Y, Varikooty J, Simpson TL. Diurnal variation of corneal and corneal epithelial thickness measured using optical coherence tomography. Cornea 2001;20:480-3.
14. Fujita S. Diurnal variation in human corneal thickness. Jpn J Ophthalmol 1980;24:444-56.
15. Hamilton KE, Pye DC, Aggarwala S, Evian S, Khosla J, Perera R. Diurnal variation of central corneal thickness and Goldmann applanation tonometry estimates of intraocular pressure. J Glaucoma 2007;16:29-35.
16. Harper CL, Boulton ME, Bennett D, Marcyniuk B, Jarvis-Evans JH, Tullo AB, Ridgway AE. Diurnal variations in human corneal thickness. Br J Ophthalmol 1996;80:1068-72.
17. Kiely PM, Carney LG, Smith G. Diurnal variations of corneal topography and thickness. Am J Optom Physiol Opt 1982;59:976-82.
18. Mertz GW. Overnight swelling of the living human cornea. J Am Optom Assoc 1980;51:211-4.
19. Shapiro SS, Wilk MB. An analysis of variance test for normality (complete samples). Biometrika 1965;52:591-611.
20. Bland JM, Altman DG. Measuring agreement in method comparison studies. Stat Methods Med Res 1999;8:135-60.
21. Bland M. An Introduction to Medical Statistics, 3rd ed. Oxford: Oxford University Press; 2000.
22. British Standards Institution. Precision of Test Methods. 1: Guide for the Determination and Reproducibility of a Standard Test Method (BS5497, part 1). London: British Standards Institution; 1979.
23. Bland JM, Altman DG. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet 1986;1:307-10.
24. Friedman M. The use of ranks to avoid the assumption of normality implicit in the analysis of variance. J Am Stat Assoc 1937;32:675-701.
25. Rabinowitz YS. Keratoconus. Surv Ophthalmol 1998;42:297-319.
26. Vinciguerra P, Camesasca FI. Treatment of hyperopia: a new ablation profile to reduce corneal eccentricity. J Refract Surg 2002;18:S315-7.
27. Chakrabarti HS, Craig JP, Brahma A, Malik TY, McGhee CN. Comparison of corneal thickness measurements using ultrasound and Orbscan slit-scanning topography in normal and post-LASIK eyes. J Cataract Refract Surg 2001;27:1823-8.
28. Cheng X, Himebaugh NL, Kollbaum PS, Thibos LN, Bradley A. Test-retest reliability of clinical Shack-Hartmann measurements. Invest Ophthalmol Vis Sci 2004;45:351-60.
29. Marsich MW, Bullimore MA. The repeatability of corneal thickness measures. Cornea 2000;19:792-5.
30. Khoramnia R, Rabsilber TM, Auffarth GU. Central and peripheral pachymetry measurements according to age using the Pentacam rotating Scheimpflug camera. J Cataract Refract Surg 2007;33:830-6.
31. Aghaian E, Choe JE, Lin S, Stamper RL. Central corneal thickness of Caucasians, Chinese, Hispanics, Filipinos, African Americans, and Japanese in a glaucoma clinic. Ophthalmology 2004;111:2211-9.
32. Shimmyo M, Ross AJ, Moy A, Mostafavi R. Intraocular pressure, Goldmann applanation tension, corneal thickness, and corneal curvature in Caucasians, Asians, Hispanics, and African Americans. Am J Ophthalmol 2003;136:603-13.
33. Wheeler NC, Morantes CM, Kristensen RM, Pettit TH, Lee DA. Reliability coefficients of three corneal pachymeters. Am J Ophthalmol 1992;113:645-51.
34. Bechmann M, Thiel MJ, Neubauer AS, Ullrich S, Ludwig K, Kenyon KR, Ulbig MW. Central corneal thickness measurement with a retinal optical coherence tomography device versus standard ultrasonic pachymetry. Cornea 2001;20:50-4.
35. Jalbert I, Papas E, Sweeney DF, Stapleton F. Instrument, diurnal, and day to day repeatability of in vivo measurements of the central human cornea using slit scanning confocal microscopy and modified optical pachometry. Invest Ophthalmol Vis Sci 2002;43:e-Abstract 1713.
36. Li HF, Petroll WM, Moller-Pedersen T, Maurer JK, Cavanagh HD, Jester JV. Epithelial and corneal thickness measurements by in vivo confocal microscopy through focusing (CMTF). Curr Eye Res 1997;16:214-21.
37. Buehren T, Collins MJ, Carney L. Corneal aberrations and reading. Optom Vis Sci 2003;80:159-66.
38. Linnet K. Necessary sample size for method comparison studies based on regression analysis. Clin Chem 1999;45:882-94.