July 2018
Volume 59, Issue 9
Open Access
ARVO Annual Meeting Abstract  |   July 2018
Utility of Goldmann Applanation Tonometry for Monitoring Intraocular Pressure in Glaucoma Patients with a History of Laser Refractory Surgery
Author Affiliations & Notes
  • Sang Yeop Lee
    Department of Ophthalmology, Institute of Vision Research, Yonsei University College of Medicine , Seoul, Korea (the Republic of)
  • Hyoung Won Bae
    Department of Ophthalmology, Institute of Vision Research, Yonsei University College of Medicine , Seoul, Korea (the Republic of)
  • Chan Keum Park
    Department of Ophthalmology, Institute of Vision Research, Yonsei University College of Medicine , Seoul, Korea (the Republic of)
  • Gong Je Seong
    Department of Ophthalmology, Institute of Vision Research, Yonsei University College of Medicine , Seoul, Korea (the Republic of)
  • Chan Y Kim
    Department of Ophthalmology, Institute of Vision Research, Yonsei University College of Medicine , Seoul, Korea (the Republic of)
  • Footnotes
    Commercial Relationships   Sang Yeop Lee, None; Hyoung Won Bae, None; Chan Keum Park, None; Gong Je Seong, None; Chan Kim, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science July 2018, Vol.59, 2699. doi:
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      Sang Yeop Lee, Hyoung Won Bae, Chan Keum Park, Gong Je Seong, Chan Y Kim; Utility of Goldmann Applanation Tonometry for Monitoring Intraocular Pressure in Glaucoma Patients with a History of Laser Refractory Surgery. Invest. Ophthalmol. Vis. Sci. 2018;59(9):2699.

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

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Abstract

Purpose : To investigate the utility of Goldmann applanation tonometry (GAT) for monitoring intraocular pressure (IOP) in open-angle glaucoma (OAG) patients with a history of laser refractive surgery, comparing IOP fluctuations measured using GAT and dynamic contour tonometry (DCT) on the same day.

Methods : In this retrospective study, patients were divided into one of two subgroups according to IOP fluctuation values using GAT: 43 eyes in the low IOP fluctuation group (LIFG [GAT fluctuation ≤1.7 mmHg]); and 55 eyes in the high IOP fluctuation group (HIFG [GAT fluctuation >1.7 mmHg]). IOP fluctuation was defined as the standard deviation of all IOP values during follow-up. IOP parameters using GAT were compared with those of DCT. Correlation analyses were performed among IOP parameters, and between IOP fluctuation and associated factors including central corneal thickness, corneal curvature, and axial length.

Results : All IOP parameters demonstrated significantly high values in the HIFG compared with those in the LIFG. Mean and peak IOP using DCT were significantly higher than those using GAT in both groups. However, there were no significant differences in IOP fluctuation and reduction using both tonometry methods in the HIFG (p = 0.946 and p = 0.986, respectively). Bland-Altman analysis revealed similar fluctuations using GAT and DCT. In multivariate analyses, there was a significant correlation between fluctuations using GAT and DCT in the HIFG (p = 0.043)

Conclusions : These results suggest that IOP monitoring using GAT is a reliable method of monitoring IOP change in glaucoma patients with a history of laser refractive surgery.

This is an abstract that was submitted for the 2018 ARVO Annual Meeting, held in Honolulu, Hawaii, April 29 - May 3, 2018.

 

Bland-Altman plots of Goldmann applanation tonometry (GAT) fluctuation and dynamic contour tonometry (DCT) fluctuation in all patients (A); the low intraocular pressure (IOP) fluctuation group (B); and the high IOP fluctuation group (C)

Bland-Altman plots of Goldmann applanation tonometry (GAT) fluctuation and dynamic contour tonometry (DCT) fluctuation in all patients (A); the low intraocular pressure (IOP) fluctuation group (B); and the high IOP fluctuation group (C)

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