March 2012
Volume 53, Issue 14
ARVO Annual Meeting Abstract  |   March 2012
Comparison of Tear Meniscus Height Measured by Oculus Keratograph 4 and OCT
Author Affiliations & Notes
  • Anji wei
    Ophthalmology, EENT Hospital of Fudan University, Shanghai, China
  • Jiaxu Hong
    Ophthalmology, Eye & Ear, Nose, Throat Hospital, Shanghai, China
  • JianJiang Xu
    Ophthalmology, EYE & ENT Hospital of Fudan Univ, Shanghai, China
  • Footnotes
    Commercial Relationships  Anji wei, None; Jiaxu Hong, None; JianJiang Xu, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science March 2012, Vol.53, 4256. doi:
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      Anji wei, Jiaxu Hong, JianJiang Xu; Comparison of Tear Meniscus Height Measured by Oculus Keratograph 4 and OCT. Invest. Ophthalmol. Vis. Sci. 2012;53(14):4256.

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      © ARVO (1962-2015); The Authors (2016-present)

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To investigate the difference of tear meniscus (TM) measurement between oculus keratograph 4 and optical coherence tomography (OCT), and to compare their repeatability.


16 cases (32 eyes) with dry eye (DE) and 12 controls (24 eyes) were enrolled. Dry eye questionnaire was administered to all subjects. Tear break up time (BUT), Schemer I test and fluorescein staining of ocular surface were examined. The tear meniscus height (TMH) was measured 3 times respectively by oculus and OCT. The values determined by each technique were average for each eye and then statistically analyzed.


The average TMH value in DE group measured by oculus keratograph and OCT were 0.24±0.07mm and 0.25±0.08mm, both being significantly lower compared with 0.31±0.04mm and 0.32±0.12mm in the control group (P=0.000). TMH results were statistically significant difference between DE and control group (P=0.000). TMH values were both highly correlated in DE group (r=0.856) and control group (r=0.876).


The fourth generation oculus keratograph 4 is an easy, quick, noninvasive, and reliable method to take TMH images and measurement, whose values significant correlated with OCT test results.  

Keywords: cornea: tears/tear film/dry eye • imaging/image analysis: clinical • imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) 

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