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A time-delay calibrated method for cornea hysteresis and intraocular pressure measurement

  • Special Section: Regular Paper
  • The 5th Asian and Pacific-Rim Symposium on Biophotonics, (APBP’15), Yokohama, Japan
  • Published:
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Abstract

The presence of cornea hysteresis (CH) in characterizing the intraocular pressure (IOP) of a human eye deteriorates the accuracy of IOP. To suppress CH, the pressure gauge of a tonometer must be located as close as possible to the cornea. However, this arrangement is unpractical because appropriate working distance to the cornea is required. In this paper, a time-delay calibrated (TDC) method is proposed to counteract the undesired effect of CH in characterizing the IOP. Employing this TDC method, the CH approaches to zero for most eyes measured.

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Authors and Affiliations

  1. Crystalvue Medical Corporation, 2nd Floor, 2F-1, No.5, Xingye Street, Gueishan, Taoyuan, 333, Taiwan

    Kuo-Jen Wang & Wai Wang

  2. Department of Photonics and Institute of Electro-Optical Engineering, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu, 300, Taiwan

    Che-Liang Tsai & Ken-Yuh Hsu

  3. Department of Electrophysics, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu, 300, Taiwan

    Long Hsu

Authors
  1. Kuo-Jen Wang
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  2. Che-Liang Tsai
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  3. Wai Wang
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  4. Long Hsu
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  5. Ken-Yuh Hsu
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Correspondence to Che-Liang Tsai.

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Wang, KJ., Tsai, CL., Wang, W. et al. A time-delay calibrated method for cornea hysteresis and intraocular pressure measurement. Opt Rev 23, 340–345 (2016). https://doi.org/10.1007/s10043-015-0168-4

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  • DOI: https://doi.org/10.1007/s10043-015-0168-4

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