Effect of material properties of the eyeball coat on optical image stability

Wieslaw Srodka, Barbara K. Pierscionek

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)


    The dynamics of the eyeball, most notably the changes in intraocular pressure, need to be stabilized optically to prevent noticeable changes in image quality. This control depends on the rheological properties of the eyeball coats and how the elasticity of the cornea, sclera, and limbus vary relative to one another. Nonlinear finite element modeling shows that image quality can be preserved over a range of elastic moduli. For intraocular pressure variations from 8 to 40 mm Hg, optical image stability is best for an elastic secant modulus of the cornea of 0.267 MPa. Optimal quality is achieved when the elastic moduli of the limbus and sclera are, respectively, 3.6 and 4 times that of the corneal modulus. (C) 2008 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.2975844]
    Original languageEnglish
    Pages (from-to)054013
    JournalJournal of Biomedical Optics
    Issue number5
    Publication statusPublished (in print/issue) - Sept 2008


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