April 2010
Volume 51, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2010
Longitudinal Detection of Progressive Optic Disc Change in Glaucoma Suspects and Glaucomatous Eyes
Author Affiliations & Notes
  • K. S. Kishor
    Ophthalmology, Bascom Palmer Eye Institute, Palm Beach Gardens, Florida
  • D. S. Grewal
    Ophthalmology, Bascom Palmer Eye Institute, Palm Beach Gardens, Florida
  • M. Sehi
    Ophthalmology, Bascom Palmer Eye Institute, Palm Beach Gardens, Florida
  • D. S. Greenfield
    Ophthalmology, Bascom Palmer Eye Institute, Palm Beach Gardens, Florida
  • Advanced Imaging in Glaucoma Study Group
    Ophthalmology, Bascom Palmer Eye Institute, Palm Beach Gardens, Florida
  • Footnotes
    Commercial Relationships  K.S. Kishor, None; D.S. Grewal, None; M. Sehi, None; D.S. Greenfield, Heidelberg Engineering, R.
  • Footnotes
    Support  NIH Grant RO1-EY013516, Bethesda, Maryland; and an unrestricted grant from Research to Prevent Blindness P30-EY14801, New York, New York.
Investigative Ophthalmology & Visual Science April 2010, Vol.51, 4017. doi:
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      K. S. Kishor, D. S. Grewal, M. Sehi, D. S. Greenfield, Advanced Imaging in Glaucoma Study Group; Longitudinal Detection of Progressive Optic Disc Change in Glaucoma Suspects and Glaucomatous Eyes. Invest. Ophthalmol. Vis. Sci. 2010;51(13):4017.

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

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Abstract

Purpose: : To compare the rate of progressive optic disc change in progressing versus stable eyes defined using 3 methods for detecting visual field progression.

Methods: : Glaucoma suspect and glaucomatous eyes with ≥3 years of follow-up were prospectively enrolled. All eyes underwent standard automated perimetry (SAP) and Heidelberg Retina Tomography (HRT3, Heidelberg Engineering, Germany) every 6 months. The annual rate of change in rim area (RA), rim volume (RV), vertical cup-disc ratio (CDR) and cup shape measure (CSM) was determined for each eye. SAP progression was determined using Early Manifest Glaucoma Trial (EMGT) criteria defined as significant change in ≥3 locations on 3 consecutive SAP exams, significant negative visual field index (VFI) slope at p<0.05 and pointwise linear regression analysis of SAP sensitivity using ProgressorTM defined as a loss of -1dB/year at p<0.01 confirmed on two consecutive examinations.

Results: : Fifty-eight glaucoma suspect and 46 glaucomatous eyes were enrolled (mean follow-up 44.9 ± 5.4 months). Three eyes (2.9%) progressed using EMGT criteria, 21 (20.2%) eyes using ProgressorTM, and 12 eyes (11.5%) using VFI. At baseline the mean RA (mm2), RV (mm3), CDR and CSM in progressing and stable eyes were similar (p>0.05). There was a significantly greater mean rate of decline in RA (mm2/yr) in progressing vs stable eyes judged using EMGT (-0.04±0.02 vs -0.001±0.03, p=0.02), VFI (-0.16±0.04 vs -0.003±0.02, p=0.04), and ProgressorTM (-0.23±0.02 vs 0.003±0.02, p<0.001). There was a significant greater mean rate of decline in RV (mm3/yr) in progressing vs stable eyes judged using EMGT (-0.01±0.004 vs -0.001±0.02, p=0.008), VFI (-0.02±0.02 vs 0.005±0.01, p=0.002) and ProgressorTM (-0.01±0.02 vs 0.001±0.01, p=0.003).

Conclusions: : Despite differences in criteria used to judge functional progression, eyes with SAP progression have significantly greater neuroretinal rim loss measured using HRT compared with stable eyes.

Keywords: imaging/image analysis: clinical • imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) 
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