An Analytically Solvable Model for Biomechanical Response of the Cornea to Refractive Surgery

Gagik P Djotyan; Ron M Kurtz; Delia Cabrera Ferna´ndez; Tibor Juhasz

doi:10.1115/1.1388293

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$An Analytically Solvable Model for Biomechanical Response of the Cornea to Refractive Surgery$

Journal article

Peer reviewed

An Analytically Solvable Model for Biomechanical Response of the Cornea to Refractive Surgery

Gagik P Djotyan, Ron M Kurtz, Delia Cabrera Ferna´ndez and Tibor Juhasz

Journal of biomechanical engineering, Vol.123(5), pp.440-445

2001-10-01

DOI: https://doi.org/10.1115/1.1388293

PMID: 11601729

Abstract

eye

biomechanics

laser applications in medicine

physiological models

vision defects

surgery

An analytically 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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Collaboration types: Domestic collaboration
Citation topics: 1 Clinical & Life Sciences; 1.36 Ophthalmology; 1.36.141 Keratoconus
Web Of Science research areas: Biophysics; Engineering, Biomedical
ESI research areas: Engineering

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Details

Title: An Analytically Solvable Model for Biomechanical Response of the Cornea to Refractive Surgery
Creators: Gagik P Djotyan - University of Michigan, College of Engineering, Department of Biomedical Engineering, 3304 GG Brown, 2350 Hayward St., Ann Arbor, MI 48109
Ron M Kurtz - Kellogg Eye Center, Department of Ophthalmology, University of Michigan, 1000 Wall Street, Ann Arbor, MI 48105
Delia Cabrera Ferna´ndez - Department of Applied Physics, University of Michigan, 2477 Randall Lab., Ann Arbor, MI 48109-1120
Tibor Juhasz - Department of Ophthalmology, University of Michigan, 1000 Wall Street, Ann Arbor, MI 48105
Publication Details: Journal of biomechanical engineering, Vol.123(5), pp.440-445
Publisher: ASME
Language: English
Resource Type: Journal article
PMID: 11601729
Record Identifier: 991031615519302976