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The characteristics of corneal biomechanics and their correlations with other biophysical parameters
Author(s) -
POURJAVAN S,
DETRYMOREL M
Publication year - 2008
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/j.1755-3768.2008.5252.x
Subject(s) - biomechanics , analysis of variance , correlation , medicine , ophthalmology , cornea , significant difference , regression analysis , physiology , mathematics , statistics , geometry
Purpose To assess the characteristics of corneal biomechanics; corneal hysteresis (CH) and corneal resistant factor (CRF) and their correlations with other biophysical parameters in healthy subjects. Methods 150 healthy subjects had an IOP measurement with ORA. CH and CRF were analyzed based on age, race, sex, refractive error, corneal thickness and visual field parameters. Diurnal variability and short time variability were also examined. Patients with corneal pathologies were excluded. Regression analysis and Pearson correlation were used to assess the correlation between different parameters. Student test was used to assess the difference. Anova test was also applied to examine the differences in diurnal and short time variability. Results CH was lower in advanced age. CRF was higher in the elderly. There was no difference in corneal biomechanics between males and females. CH and CRF seemed lower in black race then Caucasian. There was a positive correlation between CH, CRF and CCT. We couldn’t show any diurnal variability. Conclusion The characteristics of CH and CRF in healthy subjects will be discussed.