Repeatability of automatic measurements performed by a dual Scheimpflug analyzer in unoperated and post-refractive surgery eyes

Journal of Cataract and Refractive Surgery

Volumn 37, Issue 2, 2011, Pages 302-309

  Savini, Giacomo ^a   Carbonelli, Michele ^b   Barboni, Piero ^b   Hoffer, Kenneth J ^c  

^a IRCCS FONDAZIONE BIETTI   (Italy)

^b Studio Oculistico d'Azeglio   (Italy)

^c JULES STEIN EYE INSTITUTE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; AGE DISTRIBUTION; AGED; ANTERIOR AND POSTERIOR BEST FIT SPHERE RADIUS; ANTERIOR EYE CHAMBER DEPTH; ANTERIOR EYE CHAMBER VOLUME; ANTERIOR EYE SEGMENT; ARTICLE; AUTOANALYZER; CLINICAL TRIAL; CONTROLLED STUDY; CORNEA DISEASE; CORNEA THICKNESS; CORNEAL DIAMETER; CORNEAL SPHERICAL ABERRATION; DIAGNOSTIC ACCURACY; DIAGNOSTIC TEST ACCURACY STUDY; EXCIMER LASER; HUMAN; IRIDOCORNEAL ANGLE; KERATOMETRY; LASER SURGERY; MAJOR CLINICAL STUDY; MYOPIA; PARAMETERS OF MEASUREMENT AND ANALYSIS; POSTERIOR CORNEAL POWER; POSTOPERATIVE PERIOD; PRIORITY JOURNAL; PRIVATE PRACTICE; REFRACTIVE SURGERY; REPEATABILITY; SCHEIMPFLUG ANALYZER; SIMULATION; TOTAL CORNEAL POWER; VISUAL SYSTEM PARAMETERS;

ABERROMETRY; AGE FACTORS; AGED; ANALYSIS OF VARIANCE; AUTOMATION; CORNEA; DIAGNOSTIC TECHNIQUES, OPHTHALMOLOGICAL; HUMANS; IRIS; KERATOMILEUSIS, LASER IN SITU; LASERS, EXCIMER; MIDDLE AGED; MYOPIA; PHOTOGRAPHY; POSTOPERATIVE PERIOD; REFRACTIVE SURGICAL PROCEDURES; REPRODUCIBILITY OF RESULTS;

EID: 78751489525     PISSN: 08863350     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jcrs.2010.07.039     Document Type: Article

References (39)

1. H. Shankar, D. Taranath, C.T. Santhirathelagan, and K. Pesudovs Anterior segment biometry with the Pentacam: comprehensive assessment of repeatability of automated measurements J Cataract Refract Surg 34 2008 103 113
2. D.P. Piñero, C. Saenz González, and J.L. Alió Intraobserver and interobserver repeatability of curvature and aberrometric measurements of the posterior corneal surface in normal eyes using Scheimpflug photography J Cataract Refract Surg 35 2009 113 120
3. T. Kawamorita, N. Nakayama, and H. Uozato Repeatability and reproducibility of corneal curvature measurements using the Pentacam and Keratron topography systems J Refract Surg 25 2009 539 544
4. Y. Barkana, Y. Gerber, U. Elbaz, S. Schwartz, G. Ken-Dror, A. Avni, and D. Zadok Central corneal thickness measurement with the Pentacam Scheimpflug system, optical low-coherence reflectometry pachymeter, and ultrasound pachymetry J Cataract Refract Surg 31 2005 1729 1735
5. D. Chen, and A.K.C. Lam Intrasession and intersession repeatability of the Pentacam system on posterior corneal assessment in the normal human eye J Cataract Refract Surg 33 2007 448 454
6. S.A. Read, M.J. Collins, D.R. Iskander, and B.A. Davis Corneal topography with Scheimpflug imaging and videokeratography: comparative study of normal eyes J Cataract Refract Surg 35 2009 1072 1081
7. G. Labiris, M. Gkika, A. Katsanos, M. Fanariotis, E. Alvanos, and V. Kozobolis Anterior chamber volume measurements with Visante optical coherence tomography and Pentacam: repeatability and level of agreement Clin Exp Ophthalmol 37 2009 772 774
8. H. Shankar, D. Taranath, C.T. Santhirathelagan, and K. Pesudovs Repeatability of corneal first-surface wavefront aberrations measured with Pentacam corneal topography J Cataract Refract Surg 34 2008 727 734
9. ÖÖ Uakhan, M. Özkan, and A. Kanpolat Corneal thickness measurements in normal and keratoconic eyes: Pentacam comprehensive eye scanner versus noncontact specular microscopy and ultrasound pachymetry J Cataract Refract Surg 32 2006 970 977
10. T. Kawamorita, H. Uozato, K. Kamiya, L. Bax, K. Tsutsui, D. Aizawa, and K. Shimizu Repeatability, reproducibility, and agreement characteristics of rotating Scheimpflug photography and scanning-slit corneal topography for corneal power measurement J Cataract Refract Surg 35 2009 127 133
11. M. Doors, L.P.J. Cruysberg, T.T.J.M. Berendschot, J. de Brabander, F. Verbaker, C.A.B. Webers, and R.M.M.A. Nuijts Comparison of central corneal thickness and anterior chamber depth measurements using three imaging technologies in normal eyes and after phakic intraocular lens implantation Graefes Arch Clin Exp Ophthalmol 247 2009 1139 1146 Available at: http://www.springerlink.com/content/756r47t456478117/fulltext.pdf Accessed September 17, 2010
12. N. Menassa, C. Kaufmann, M. Goggin, O.M. Job, L.M. Bachmann, and M.A. Thiel Comparison and reproducibility of corneal thickness and curvature readings obtained by the Galilei and Orbscan II analysis systems J Cataract Refract Surg 34 2008 1742 1747
13. H. Li, C.K.S. Leung, L. Wong, C.Y.L. Cheung, C.P. Pang, R.N. Weinreb, and D.S.C. Lam Comparative study of central corneal thickness measurement with slit-lamp optical coherence tomography and Visante optical coherence tomography Ophthalmology 115 2008 796 801
14. D.P. Piñero, A.B. Plaza, and J.L. Alió Anterior segment biometry with 2 imaging technologies: very-high-frequency ultrasound scanning versus optical coherence tomography J Cataract Refract Surg 34 2008 95 102
15. S. Mohamed, G.K.Y. Lee, S.K. Rao, A.L. Wong, A.C.K. Cheng, E.Y.M. Li, S.C.C. Chi, and D.S.C. Lam Repeatability and reproducibility of pachymetric mapping with Visante anterior segment-optical coherence tomography Invest Ophthalmol Vis Sci 48 2007 5499 5504 Available at: http://www.iovs.org/cgi/ reprint/48/12/5499 Accessed September 17, 2010
16. L. Wang, M. Shirayama, and D.D. Koch Repeatability of corneal power and wavefront aberration measurements with a dual-Scheimpflug Placido corneal topographer J Cataract Refract Surg 36 2010 425 430
17. M. Shirayama, L. Wang, M.P. Weikert, and D.D. Koch Comparison of corneal powers obtained by 4 different devices Am J Ophthalmol 148 2009 528 535
18. G. Savini, P. Barboni, M. Carbonelli, and K.J. Hoffer Accuracy of Scheimpflug corneal power measurements for intraocular lens power calculation J Cataract Refract Surg 35 2009 1193 1197 erratum, 1483
19. M. Packer, I.H. Fine, and R.S. Hoffman Aspheric intraocular lens selection based on corneal wavefront J Refract Surg 25 2009 12 20
20. International Organization for Standardization Accuracy (Trueness and Precision) of Measurement Methods and Results. Part 1. General Principles and Definitions 1994 ISO Geneva, Switzerland (ISO 5725-1); 1-26
21. K.O. McGraw, and S.P. Wong Forming inferences about some intraclass correlation coefficients Psychol Meth 1 1996 30 46 Available at: http://dionysus.psych.wisc.edu/Lit/Articles/McGrawK1996a.pdf Accessed September 17, 2010
22. J.M. Bland, and D.G. Altman Statistical notes. Measurement error BMJ 313 1996 744 Available at: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2352111/pdf/ bmj00560-0056b.pdf Accessed September 17, 2010
23. J.-D. Ho, C.-Y. Tsai, R.J.-F. Tsai, L.-L. Kuo, I.-L. Tsai, and S.-W. Liou Validity of the keratometric index: evaluation by the Pentacam rotating Scheimpflug camera J Cataract Refract Surg 34 2009 137 145
24. H. Hashemi, and S. Mehravaran Corneal changes after laser refractive surgery for myopia: comparison of Orbscan II and Pentacam findings J Cataract Refract Surg 33 2007 841 847
25. H. Jin, M.P. Holzer, T. Rabsilber, A.F. Borkenstein, I.-L. Limberger, H. Guo, and G.U. Auffarth Intraocular lens power calculation after laser refractive surgery: corrective algorithm for corneal power estimation J Cataract Refract Surg 36 2010 87 96
26. A.C.K. Cheng, S.K. Rao, and D.S.C. Lam Accuracy of Orbscan II in the assessment of posterior curvature in patients with myopic LASIK J Refract Surg 23 2007 677 680
27. S. Srivannaboon, T. Rakpanichmanee, A.C.K. Cheng, and H.-B. Fam Estimation of posterior corneal power for IOL calculation after myopic LASIK J Refract Surg 24 2008 946 951
28. S. Sónego-Krone, G. López-Moreno, O.V. Beaujon-Balbi, C.G. Arce, P. Schor, and M. Campos A direct method to measure the power of the central cornea after myopic laser in situ keratomileusis Arch Ophthalmol 122 2004 159 166 Available at: http://archopht.ama-assn.org/cgi/reprint/122/2/159. pdf Accessed September 17, 2010
29. U. Elbaz, Y. Barkana, Y. Gerber, I. Avni, and D. Zadok Comparison of different techniques of anterior chamber depth and keratometric measurements Am J Ophthalmol 143 2007 48 53
30. G. Nemeth, A. Vajas, B. Kolozsvari, A. Berta, and L. Modis Jr. Anterior chamber depth measurements in phakic and pseudophakic eyes: Pentacam versus ultrasound device J Cataract Refract Surg 32 2006 1331 1335
31. S.T. Fontana, and R.F. Brubaker Volume and depth of the anterior chamber in the normal aging human eye Arch Ophthalmol 98 1980 1803 1808 Available at: http://archopht.ama-assn.org/cgi/reprint/98/10/1803.pdf Accessed September 17, 2010
32. M. Dubbelman, G.L. van der Heijde, H.A. Weeber, and G.F.J.M. Vrensen Changes in the internal structure of the human crystalline lens with age and accommodation Vision Res 43 2003 2363 2375
33. C.A. Cook, J.F. Koretz, A. Pfahnl, J. Hyun, and P.L. Kaufman Aging of the human crystalline lens and anterior segment Vision Res 34 1994 2945 2954
34. R. Fotedar, J.J. Wang, G. Burlutsky, I.G. Morgan, K. Rose, T.Y. Wong, and P. Mitchell Distribution of axial length and ocular biometry measured using partial coherence laser interferometry (IOL Master) in an older white population Ophthalmology 117 2010 417 423
35. C.B. Cosar, and A.B. Sener Orbscan corneal topography system in evaluating the anterior structures of the human eye Cornea 22 2003 118 121
36. F. Rüfer, A. Schröder, and C. Erb White-to-white corneal diameter; normal values in healthy humans obtained with the Orbscan II topography system Cornea 24 2005 259 261
37. C.S. de Paiva, J.L. Lindsey, and S.C. Pflugfelder Assessing the severity of keratitis sicca with videokeratoscopic indices Ophthalmology 110 2003 1102 1109
38. T. Kojima, R. Ishida, M. Dogru, E. Goto, Y. Takano, Y. Matsumoto, M. Kaido, Y. Ohashi, and K. Tsubota A new noninvasive tear stability analysis system for the assessment of dry eyes Invest Ophthalmol Vis Sci 45 2004 1369 1374 Available at: http://www.iovs.org/cgi/reprint/45/5/1369.pdf Accessed September 17, 2010
39. Vanderbilt University. Department of Biostatistics. PS: Power and Sample Size Calculation. Available at: http://biostat.mc.vanderbilt.edu/twiki/bin/view/ Main/PowerSampleSize. Accessed September 17, 2010