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For most people vision comes naturally. The seemless ease of the process disguises a complex web of interactions amongst vast networks of visual neurons. The complexity and fragility of these networks are revealed most vividly for those people afflicted with ocular diseases like glaucoma. The objectives of our research lab is: i) to understand how neural networks of the eye represent visual images in the optic nerve signals that it sends to the brain under normal and diseased conditions and ii) to use the knowledge to engineer ocular devices and effective diagnostic and therapeutic strategies.