May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Central Corneal Thickness in the European Glaucoma Prevention Study (EGPS)
Author Affiliations & Notes
  • N. Pfeiffer
    Department of Ophthalmology, Mainz University, Mainz, Germany
  • A. Troost
    Department of Ophthalmology, Mainz University, Mainz, Germany
  • I. Kersten–Gomez
    Department of Ophthalmology, Mainz University, Mainz, Germany
  • S. Miglior
    Department of Ophthalmology, Universita di Milano, Milano, Italy
  • V. Torri
    Department of Ophthalmology, Mainz University, Milano, Italy
  • T. Zeyen
    Department of Ophthalmology, Middelheim Hospital, Antwerpen, Belgium
  • J. Cunha–Vaz
    Department of Ophthalmology, Insituto Biomedico, Coimbra, Portugal
  • I. Adamsonson
    Department of Ophthalmology, MSD, Blue Bell, PA
  • EGPS–Group
    Department of Ophthalmology, Mainz University, Mainz, Germany
  • Footnotes
    Commercial Relationships  N. Pfeiffer, MSD, DHL R; A. Troost, MSD, DHL R; I. Kersten–Gomez, MSD, DHL R; S. Miglior, MSD, DHL R; V. Torri, MSD, DHL R; T. Zeyen, MSD, DHL R; J. Cunha–Vaz, MSD, DHL R; I. Adamsonson, None.
  • Footnotes
    Support  Biomed, MSD
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 4862. doi:
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      N. Pfeiffer, A. Troost, I. Kersten–Gomez, S. Miglior, V. Torri, T. Zeyen, J. Cunha–Vaz, I. Adamsonson, EGPS–Group; Central Corneal Thickness in the European Glaucoma Prevention Study (EGPS) . Invest. Ophthalmol. Vis. Sci. 2005;46(13):4862.

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

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Abstract

Abstract: : Purpose: The European Glaucoma Prevention Study (EGPS) was designed to test if lowering of intraocular pressure (IOP) by means of topical application of dorzolamide is able to prevent or delay conversion from ocular hypertension to glaucoma. Within this study we investigated central corneal thickness (CCT). Methods:We measured CCT in 854 ocular hypertensive patients using ultrasound pachymetry (DGH–500 pachymeter, PachetteTM). CCTs were taken a.m. before measuring intraocular pressure within 5 minutes of application of anaesthetic eye drops averaging 5 measurements per eye and both eyes of one patient. Results:We obtained CCT measurements in 854 patients. Mean CCT was 572.6 ± 37.4 µm (458.5 to 695.6 µm). 428 patients were on topical treatment with dorzolamide, and 425 patients were on placebo. Mean CCTs were 574.2 ± 38.48 µm (458.5 to 695.6 µm) for eyes on dorzolamide and 571.0 ± 36.21 µm (469.7 to 690.1 µm) for eyes on placebo (Wilcoxon two–sample test, p=0.31). Greater CCT measurements correlated with higher IOP, younger age, diabetes and female gender. Conclusions: CCT measurements within the European Glaucoma Prevention study were greater than in normal eyes without ocular hypertension. A trend for eyes on dorzolamide to have thicker corneas was both clinically and statistically not significant. Greater CCT measurements correlated with higher IOP, younger age, diabetes and female gender.

Keywords: intraocular pressure 
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