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Abstract #2035

High Resolution Structural MRI of the of Eye: Initial Experience at Ultra High Field

Jon O Cleary1, Bao Nguyen2, Rebecca Glarin1, Scott C Kolbe1, Bradford A Moffat1, Rishma Vidyasagar1, Bang Bui2, Allison McKendrick2, and Roger J Ordidge1

1Melbourne Brain Centre Imaging Unit, Department of Anatomy and Neuroscience, University of Melbourne, Parkville, Australia, 2Department of Optometry and Vision Sciences, University of Melbourne, Parkville, Australia

While optical eye imaging techniques are available for examining anterior and retinal structures, they are limited in making 3 dimensional assessments of the whole eyeball. MRI is the preferred modality in these areas but fine eye structures are difficult to resolve on clinical systems. Ultra high field magnets offer increased signal-to-noise, providing higher resolution, but there have been only a limited number of studies so far. We performed an initial study to assess achievable resolution, the anatomy visible on differing image weightings and MR parameter measurements, in eyes of healthy subjects on a 7 Tesla system.

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