May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Application of Brusini’s Glaucoma Staging System 2 (GSS 2) to Glaucomatous Visual Fields in the Ocular Hypertension Treatment Study (OHTS)
Author Affiliations & Notes
  • J. L. Keltner
    Dept of Ophthalmology & Vision Science, University of California, Davis, Sacramento, California
  • C. A. Johnson
    Discoveries in Sight, Devers Eye Institute, Portland, Oregon
  • K. E. Cello
    Dept of Ophthalmology & Vision Science, University of California, Davis, Sacramento, California
  • P. Brusini
    Department of Ophthalmology, S. Maria della Misericordia Hospital, Udine, Italy
  • M. A. Kass
    Dept of Ophthalmology and Vision Sciences, University of Washington, St. Louis, Missouri
  • M. O. Gordon
    Dept of Ophthalmology and Vision Sciences, University of Washington, St. Louis, Missouri
  • Ocular Hypertension Treatment Study Group
    Dept of Ophthalmology & Vision Science, University of California, Davis, Sacramento, California
  • Footnotes
    Commercial Relationships  J.L. Keltner, None; C.A. Johnson, None; K.E. Cello, None; P. Brusini, None; M.A. Kass, None; M.O. Gordon, None.
  • Footnotes
    Support  Grants EY 09307 and EY 09341 from the National Eye Institute and the National Center on Minority Health and Health Disparities, National Institutes of Health, Bethesda, MD; Merck Research Laboratories
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 1102. doi:https://doi.org/
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      J. L. Keltner, C. A. Johnson, K. E. Cello, P. Brusini, M. A. Kass, M. O. Gordon, Ocular Hypertension Treatment Study Group; Application of Brusini’s Glaucoma Staging System 2 (GSS 2) to Glaucomatous Visual Fields in the Ocular Hypertension Treatment Study (OHTS). Invest. Ophthalmol. Vis. Sci. 2008;49(13):1102. doi: https://doi.org/.

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

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Abstract

Purpose: : To describe the type and severity of glaucomatous visual field (VF) defects in the OHTS using the GSS 2.

Methods: : The GSS 2 computerized application was used to classify the type and severity of VF defects from OHTS participants who developed confirmed VF abnormalities attributed to primary open angle glaucoma (POAG). The GSS 2 classifies VF defects into 3 types: generalized, localized, and mixed and 5 levels of severity: 1= mild to 5 = severe. VFs analyzed in this report include the 3 consecutive abnormal VFs to confirm abnormality and all subsequent reliable, abnormal VFs. Excluded were normal VFs and VFs completed when visual acuity was worse than 20/30 or spherical equivalent was greater than +/- 5.00 D at the time of VF testing.

Results: : A total of 1,474 VF’s of 1,786 reliable, abnormal VF’s from more than 100 participants met all criteria for inclusion in this analysis. The GSS 2 classification of type and severity of defect of the 1,474 abnormal VFs are reported below.

Clinical Trial: : www.clinicaltrials.gov 00000125

Keywords: visual fields • perimetry 
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