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US 8,712,537 B2Granted
Field of view matching in a visual prosthesis
AssigneeSecond Sight Medical Products, Inc.
InventorsRobert J Greenberg, Arup Roy, Avraham I Caspi, Matthew J McMahon
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Abstract
A visual prosthesis apparatus including a video capture device for capturing a video image, a video processing unit associated with the video capture device, the video processing unit configured to convert the video image to stimulation patterns, and a stimulation system configured to stimulate subject's neural tissue based on the stimulation patterns, wherein the stimulation system provides a span of visual angle matched to the subject's neural tissue being stimulated.
Claims4
A method for stimulating a subject's eye, the method comprising:
- providing a neural stimulation system and placing the neural stimulation system so that the neural stimulation system is subtended by a portion of the subject's visual neural tissue;
- providing a video capture device having an adjustable field of view;
- adjusting the field of view of the video capture device to match a field of view of the portion of the subject's visual neural tissue subtending the neural stimulation system;
- capturing a video image with the video capture device once the field of view of the video capture device is adjusted to match the field of view of the portion of the subject's visual neural tissue subtending the neural stimulation system;
- converting the video image to stimulation patterns;
- and
- stimulating subject's visual neural tissue with the neural stimulation system based on the stimulation patterns.
4 more elements
Dependencies are inferred from the claim text.