April 2009
Volume 50, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2009
Correlation Between Corneal Thickness, Corneal Diameter and Optic Disc Size in Non-Glaucomatous Eyes
Author Affiliations & Notes
  • M. H. Steppat
    Dept of Ophthalmology, University of Dresden, Dresden, Germany
  • A. Boenisch
    Dept of Ophthalmology, University of Dresden, Dresden, Germany
  • E. Schmidt
    Dept of Ophthalmology, University of Dresden, Dresden, Germany
  • E. Spoerl
    Dept of Ophthalmology, University of Dresden, Dresden, Germany
  • A. G. Boehm
    Dept of Ophthalmology, University of Dresden, Dresden, Germany
  • L. E. Pillunat
    Dept of Ophthalmology, University of Dresden, Dresden, Germany
  • Footnotes
    Commercial Relationships  M.H. Steppat, None; A. Boenisch, None; E. Schmidt, None; E. Spoerl, None; A.G. Boehm, None; L.E. Pillunat, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science April 2009, Vol.50, 3685. doi:
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      M. H. Steppat, A. Boenisch, E. Schmidt, E. Spoerl, A. G. Boehm, L. E. Pillunat; Correlation Between Corneal Thickness, Corneal Diameter and Optic Disc Size in Non-Glaucomatous Eyes. Invest. Ophthalmol. Vis. Sci. 2009;50(13):3685.

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

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Abstract

Purpose: : To examine the correlation between corneal thickness, corneal diameter and optic disc size in non-glaucomatous eyes.

Methods: : In a prospective clinical trial one randomly chosen eye of 252 healthy subjects (median age 42.5, range 16-86y; 59.9% female, 40.1% male) were examined. Before entering the study each patient received an ophthalmologic exam including evaluation of the optic disc. None of the subjects had signs or a history of glaucoma or ocular hypertension. Optic disc size was measured by HRT II, corneal diameter by keratometry (Auto KeratometerKM-500, NIDEK) and central corneal thickness by ultrasound pachymetry. For statistics Pearson’s correlation coefficents were calculated.

Results: : Corneal diameter was statistically significant correlated to disc area (P>0.001, R= 0.263). There was no significant correlation between central corneal thickness and corneal diameter (P=0.839) and between corneal thickness and disc area (p=0.370). Age was negatively correlated to corneal diameter (P=0.001, R=-0.213). There was no correlation between age and corneal thickness (P=0.839).

Conclusions: : In contrast to earlier studies in glaucoma patients, in our study in non-glaucomatous eyes corneal thickness does not correlate with optic disc diameter. However, we detected a correlation between optic disc diameter and corneal diameter which was not reported yet.

Keywords: cornea: clinical science • optic disc 
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