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Grant Funding for Glaucoma Research
 

 

National Glaucoma Research
Completed Award

Dr. Michael Girard

Michael Julien Alexandre Girard, Ph.D.

Imperial College London
London, England

Title: In Vivo Corneal Biomechanics: A Biomarker for Glaucoma?
Non-Technical Title: Can Corneal Stiffness Predict Vision Loss from Glaucoma?

Co-PI(s):
Nick Strouthidis, MBBS, M.D., MRCOphth
Moorfields Eye Hospital

Duration: July 1, 2011 - December 31, 2014
Award Type: Standard
Award Amount: $100,000

Summary:

In this project we are exploring the relationship between the mechanical behavior of the cornea, a structure located at the front of the eye, and glaucoma - a potentially blinding condition which affects the optic nerve head, a structure located at the back of the eye. Specifically, we are looking to see whether understanding and quantifying corneal mechanical behavior in humans can be used to predict the likelihood of glaucoma, and of visual loss from glaucoma. This endeavor will have important implications for the diagnosis and management of glaucoma, one of the world's leading causes of blindness.

Details:

Drs. Michael Girard and Nick Strouthidis will explore whether the stiffness of the cornea, i.e., the clear “window” at the front of the eye, can predict glaucoma, a blinding ocular disorder characterized by mechanical damage at the back of the eye. An optical coherence tomography scanner will be used to image in great detail how all ocular tissues, including both the front and back of the eye, respond to a change in intraocular pressure (the pressure that maintains the shape of the eye). Such testing will allow them, for the first time ever, to deduce the stiffness of the entire eye in glaucoma patients and establish a correlation between these stiffness and vision loss. They envision one day assessing glaucoma risk by measuring the stiffness of patients' corneas in the clinic.

Progress Updates:

Dr. Girard’s and Strouthidis’ team spent the first year of the award developing novel engineering tools for future use in diagnosing glaucoma at the clinic. The team needs to further improve the proposed tools and confirm that they work by comparing the results with clinical data obtained from currently-available methods.

Investigator Biography:

Dr. Michael Girard is the recipient of the prestigious Imperial College Junior Research Fellowship in the Department of Bioengineering at Imperial College London. He completed his Ph.D. at Tulane University, gaining expertise in experimental and computational soft tissue biomechanics and investigating the role of scleral biomechanics in glaucoma. Although strong evidence now suggests that biomechanics plays a major role in glaucoma, concrete proofs are still lacking. Girard's current research aims to provide such proofs. Specifically, he intends to quantify, for the first time, optic nerve head and corneal biomechanics in vivo and understand their association with glaucomatous vision loss. The findings of his research can potentially be translated to the clinic in the form of novel biomechanically-based diagnostic tools and therapies for glaucoma.