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An analytically solvable model for biomechanical response of the cornea to refractive surgery
Authors:Djotyan G P  Kurtz R M  Fernández D C  Juhasz T
Affiliation:University of Michigan, College of Engineering, Department of Biomedical Engineering, Ann Arbor 48109, USA. jotyan@engin.umich.edu
Abstract:An analttically solvable model that considers the elasticity of the cornea is developed for use in the current and novel corneal refractive surgery procedures. The model assumes that the cornea is a thin spheroid shell with an elastic response to intraocular pressure. The value of the Young's modulus of the post-operative cornea and its dependence on the geometric parameters of the ablation zone are estimated employing "best-fit" approach to nomograms currently used in corneal refractive surgery. These elasticity parameters are applied for quantitative modeling of different types of refractive surgery for myopia.
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