Biomedical Discussion Group Lecture - Dr. Jennifer HunterExport this event to calendar

Thursday, October 24, 2013 — 4:00 PM EDT

Thursday October 24, 2013
4:00 pm, PHYS 235

"Seeing cells in the living eye: Pushing the limits of high-resolution retinal imaging"

Dr. Jennifer Hunter
Assistant Professor, Departments of Ophthalmology, Biomedical Engineering and Center for Visual Science
University of Rochester
 
Abstract: Visualization of individual cells in the living retina is critical to understanding normal retinal structure and its changes with disease. Advances in adaptive optics scanning laser ophthalmoscopy have made it possible to image the living retina with better resolution than ever before, making it possible to see the smallest retinal cells including cones at the foveal center, individual rods, and blood cells flowing through the smallest capillaries. Other cell layers in the retina are either transparent or opaque and are thus more difficult to visualize. However, the addition of fluorescence imaging capabilities is making it possible to successfully image a larger variety of cells. With single photon-fluorescence, the retinal pigment epithelium, a single layer of opaque cells behind the cones that provide critical support for photoreceptors, is now accessible. By using extrinsic fluorophores, the structure and function of transparent neural cells can be observed. Two-photon fluorescence imaging in the living eye provides a method to non-invasively, without the use of extrinsic fluorophores, image not only retinal structure, but also to assess retinal function.

Please contact Melanie Campbell  if you are interested in meeting with Dr. Hunter on Oct 24 or 25.

Cost 
FREE
Location 
PHY - Physics
Room 235
200 University Avenue West

Waterloo, ON N2L 3G1
Canada

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