US Patent 7,118,217
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US) ; The Research Foundation of State Univ. of New York (Albany, NY, US) ; Kestrel Corporation (Albuquerque, NM, US)
An Optical Imaging Device of Retinal Function has been developed to detect changes in reflectance of near infrared light from the retina of human subjects in response to visual activation of the retina by a pattern stimulus. The measured changes in reflectance correspond in time to the onset and offset of the visual stimulus in the portion of the retina being stimulated. Any changes in reflectance can be measured by interrogating the retina with a light source. The light source may be presented to the retina via the cornea and pupil or through other tissues in and around the eye. Different wavelengths of interrogating light may be used to interrogate various layers of the retina. Additionally, various novel patterns and methods of stimulation have been developed for use with the imaging device and methods.
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Kardon, Randy H; Kwon, Young H; Tso, Daniel; and Soliz, Peter Device and method for optical imaging of retinal function. US Patent 7,118,217 filed January 17, 2003 and issued October 10, 2006. https://ir.uiowa.edu/patents/409