Nonlinear analysis of static axisymmetric deformation of the human cornea

Long yuan Li*, Brian Tighe

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This paper presents a simple mechanics model for analyzing the stresses, strains and displacements of the human cornea under the action of the intraocular pressure. The analysis is performed under the assumptions that when the cornea undergoes small displacements the stress-strain constitutive relation includes an isotropic, linear material of ground substance and an orthotropic, nonlinear material of collagen fibrils. The present results highlight the influence of corneal geometry and its local microstructural organisation on the corneal overall mechanical properties.

Original languageEnglish
Pages (from-to)618-624
Number of pages7
JournalComputational Materials Science
Issue number4
Publication statusPublished - 1 Feb 2007


  • Biomechanics
  • Cornea
  • Hyperelasticity
  • Strain
  • Stress


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