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Subspecialties Business and Innovation, Health Economics and Policy, Imaging & Diagnostics

Visual Field Testing: The Long View

My interest in vision assessment stems from an undergraduate visual perception laboratory class that introduced me to unresolved problems in visual neuroscience. I was captivated. There was so much to do: we needed a better understanding not just of the neurophysiology of vision, but also of the visual effects of systemic diseases, such as diabetes. Back then, remember, retinal examination was the only way of directly observing living blood vessels within intact tissue, and therefore had applications well beyond vision assessment. So that triggered my fascination with the evaluation of eye diseases, and resulted in a career focused on investigating modalities that can help us assess visual disorders. 

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About the Author

Chris Johnson

Johnson has a forty-year perspective on perimetry: after training in neuroscience, neuroanatomy and neurophysiology, he spent twenty years as a professor in the Ophthalmology Department at the University of California (Davis), and then eleven years at the Devers Eye Institute (Portland, Oregon). For the last twelve years he has been Professor of Ophthalmology and Visual Sciences and Co-Director, Visual Field Reading Center, at the University of Iowa. His research activities include evaluation and interpretation of visual field information, and elucidation of structure-function relationships in glaucoma. Relevant disclosure: Consultant, M&S Technologies

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