1. University Houston ReceivesNIH Grant for Optical Coherence Elastography of the Cornea

    University Houston ReceivesNIH Grant for Optical Coherence Elastography of the Cornea

    University Houston Receives a 2019 NIH Grant for $379,941 for Optical Coherence Elastography of the Cornea. The principal investigator is Kirill Larin. The program began in 2012 and ends in 2020. Below is a summary of the proposed work.

    The fundamental physical properties of the outer tunic of the eye determine the structural characteristics of the ocular globe and may be altered in several devastating disease states including axial elongation in myopia, pathological deformation in keratoconus, and iatrogenic keratoectasia following corneal refractive surgery. These biomechanical tissue characteristics not only influence our clinical interpretation of diagnostic tests, e.g. measurement of intraocular pressure, but have been implicated as important factors in the development of glaucoma. Currently, there is no available reliable method to perform measurement of corneal elasticity in vivo. Here we will develop novel method for the assessment of corneal elastic properties that could potentially be used for routine clinical diagnostic and treatment. This method will take advantages of highly localized air pressure stimulation and ultra-sensitive detection and analysis of the pressure waves propagation on corneal posterior and anterior surfaces with Optical Coherence Tomography to reconstruct volumetric biomechanical properties of the cornea. Our long-term objectives are to use the coordinated talents of this research team to produce novel elasticity imaging instrumentation/methods that can extend our current understanding of the basic principles of tissue biomechanics and apply this knowledge to clinically relevant problems in ocular disease.

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