About this Journal Submit a Manuscript Table of Contents
BioMed Research International
Volume 2013 (2013), Article ID 370592, 5 pages
http://dx.doi.org/10.1155/2013/370592
Research Article

Repeatability and Reproducibility of Measurements Using a NT-530P Noncontact Tono/Pachymeter and Correlation of Central Corneal Thickness with Intraocular Pressure

1Department of Rehabilitation, Orthoptics and Visual Science Course, School of Allied Health Sciences, Kitasato University, 1-15-1 Kitasato, Minamiku, Sagamihara, Kanagawa 252-0373, Japan
2Department of Ophthalmology, Kitasato University Hospital, 1-15-1 Kitasato, Minamiku, Sagamihara, Kanagawa 252-0373, Japan
3Department of Ophthalmology, School of Medicine, Kitasato University, 1-15-1 Kitasato, Minamiku, Sagamihara, Kanagawa 252-0373, Japan

Received 21 June 2013; Revised 30 August 2013; Accepted 3 September 2013

Academic Editor: Toshiaki Kubota

Copyright © 2013 Fusako Fujimura et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. N. Ehlers, T. Bramsen, and S. Sperling, “Applanation tonometry and central corneal thickness,” Acta Ophthalmologica, vol. 53, no. 1, pp. 34–43, 1975. View at Scopus
  2. P. J. Foster, J. Baasanhu, P. H. Alsbirk, D. Munkhbayar, D. Uranchimeg, and G. J. Johnson, “Central corneal thickness and intraocular pressure in a Mongolian population,” Ophthalmology, vol. 105, no. 6, pp. 969–973, 1998. View at Publisher · View at Google Scholar · View at Scopus
  3. R. C. W. Wolfs, C. C. W. Klaver, J. R. Vingerling, D. E. Grobbee, A. Hofman, and P. T. V. M. De Jong, “Distribution of central corneal thickness and its association with intraocular pressure: the Rotterdam study,” American Journal of Ophthalmology, vol. 123, no. 6, pp. 767–772, 1997. View at Scopus
  4. S. Suzuki, Y. Suzuki, A. Iwase, and M. Araie, “Corneal thickness in an ophthalmologically normal Japanese population,” Ophthalmology, vol. 112, no. 8, pp. 1327–1336, 2005. View at Publisher · View at Google Scholar · View at Scopus
  5. H. Burvenich and J. De Clercq, “The combined IOP and CCT measurement in glaucoma screening,” Bulletin de la Société Belge d'Ophtalmologie, vol. 276, pp. 15–18, 2000. View at Scopus
  6. V. Pueyo, V. Polo, J. M. Larrosa, F. Mayoral, A. Ferreras, and F. M. Honrubia, “Reproducibility of optic nerve head and retinal nerve fiber layer thickness measurements using optical coherence tomography,” Archivos de la Sociedad Espanola de Oftalmologia, vol. 81, no. 4, pp. 205–212, 2006. View at Scopus
  7. A. K. C. Lam, R. Chan, R. Chiu, and C.-H. Lam, “The validity of a new noncontact tonometer and its comparison with the Goldmann tonometer,” Optometry and Vision Science, vol. 81, no. 8, pp. 601–605, 2004. View at Publisher · View at Google Scholar · View at Scopus
  8. K. Yaoeda, M. Shirakashi, A. Fukushima et al., “Measurement of intraocular pressure using the NT-4000: a new non-contact tonometer equipped with pulse synchronous measurement function,” Journal of Glaucoma, vol. 14, no. 3, pp. 201–205, 2005. View at Publisher · View at Google Scholar · View at Scopus
  9. S. M. Nam, C. Y. Im, H. K. Lee, E. K. Kim, T.-I. Kim, and K. Y. Seo, “Accuracy of RTVue optical coherence tomography, pentacam, and ultrasonic pachymetry for the measurement of central corneal thickness,” Ophthalmology, vol. 117, no. 11, pp. 2096–2103, 2010. View at Publisher · View at Google Scholar · View at Scopus
  10. K. C. Ogbuehi, “Assessment of the accuracy and reliability of the Topcon CT80 non-contact tonometer,” Clinical and Experimental Optometry, vol. 89, no. 5, pp. 310–314, 2006. View at Publisher · View at Google Scholar · View at Scopus
  11. T. M. Almubrad, “Performance of the PT100 noncontact tonometer in healthy eyes,” Clinical Ophthalmology, vol. 5, no. 1, pp. 661–666, 2011. View at Publisher · View at Google Scholar · View at Scopus
  12. J.-L. Bourges, N. Alfonsi, J.-F. Laliberté et al., “Average 3-dimensional models for the comparison of orbscan II and pentacam pachymetry maps in normal corneas,” Ophthalmology, vol. 116, no. 11, pp. 2064–2071, 2009. View at Publisher · View at Google Scholar · View at Scopus
  13. K. C. Ogbuehi, S. Mucke, and U. L. Osuagwu, “Influence of central corneal thickness on measured intraocular pressure differentials: nidek RKT-7700, Topcon CT-80 NCTs and Goldmann Tonometer,” Ophthalmic and Physiological Optics, vol. 32, no. 6, pp. 547–555, 2012. View at Publisher · View at Google Scholar
  14. H. H. Mark, “Corneal curvature in applanation tonometry,” American Journal of Ophthalmology, vol. 76, no. 2, pp. 223–224, 1973. View at Scopus
  15. P. Gunvant, M. Baskaran, L. Vijaya et al., “Effecf of corned parameters on measurements using the pulsatile ocular blood flow tonograph and Goldmann applanation tonometer,” British Journal of Ophthalmology, vol. 88, no. 4, pp. 518–522, 2004. View at Publisher · View at Google Scholar · View at Scopus
  16. J. T. Holladay, M. E. Allison, and T. C. Prager, “Goldmann applanation tonometry in patients with regular corneal astigmatism,” American Journal of Ophthalmology, vol. 96, no. 1, pp. 90–93, 1983. View at Scopus
  17. H. H. Mark and T. L. Mark, “Corneal astigmatism in applanation tonometry,” Eye, vol. 17, no. 5, pp. 617–618, 2003. View at Publisher · View at Google Scholar · View at Scopus
  18. J. Liu and C. J. Roberts, “Influence of corneal biomechanical properties on intraocular pressure measurement: quantitative analysis,” Journal of Cataract and Refractive Surgery, vol. 31, no. 1, pp. 146–155, 2005. View at Publisher · View at Google Scholar · View at Scopus
  19. M. F. Armaly, “Age and sex correction of applanation pressure,” Archives of Ophthalmology, vol. 78, no. 4, pp. 480–484, 1967. View at Scopus
  20. B. E. K. Klein, R. Klein, and K. L. P. Linton, “Intraocular pressure in an American community: the beaver dam eye study,” Investigative Ophthalmology and Visual Science, vol. 33, no. 7, pp. 2224–2228, 1992. View at Scopus
  21. Y. Shiose, Y. Kitazawa, S. Tsukahara et al., “Epidemiology of glaucoma in Japan. A nationwide glaucoma survey,” Japanese Journal of Ophthalmology, vol. 35, no. 2, pp. 133–155, 1991. View at Scopus
  22. S. Asrani, R. Zeimer, J. Wilensky, D. Gieser, S. Vitale, and K. Lindenmuth, “Large diurnal fluctuations in intraocular pressure are an independent risk factor in patients with glaucoma,” Journal of Glaucoma, vol. 9, no. 2, pp. 134–142, 2000. View at Scopus
  23. J. H. K. Liu, A. J. Sit, and R. N. Weinreb, “Variation of 24-hour intraocular pressure in healthy individuals: right eye versus left eye,” Ophthalmology, vol. 112, no. 10, pp. 1670–1675, 2005. View at Publisher · View at Google Scholar · View at Scopus
  24. J. H. K. Liu, D. F. Kripke, R. E. Hoffman et al., “Nocturnal elevation of intraocular pressure in young adults,” Investigative Ophthalmology and Visual Science, vol. 39, no. 13, pp. 2707–2712, 1998. View at Scopus
  25. D. R. Anderson and W. M. Grant, “The influence of position on intraocular pressure,” Investigative ophthalmology, vol. 12, no. 3, pp. 204–212, 1973. View at Scopus
  26. A. K. Weber and J. Price, “Pressure differential of intraocular pressure measured between supine and sitting position,” Annals of Ophthalmology, vol. 13, no. 3, pp. 323–326, 1981. View at Scopus