Patent ID: 8571668

Claim:
A method of electrically evoking artificial vision comprising: determining a plurality of video filters, said video filters comprising filter executable code and filter data; providing a video processing unit and a detachably linked computer, including a processor and storage means; storing said plurality of video filters in said storage means of said detachably linked computer; selecting said at least one video filter for download for a patient from said plurality of video filters on said detachably linked computer; downloading said at least one video filter from said detachably linked computer to said video processing unit; performing a data integrity check on the video filter; storing said at least one video filter in said video processing unit; reviewing said at least one video filter and changing said at least one video filter if preferable; collecting video information; applying said at least one video filter to said video information in said video processing unit; and stimulating visual neurons electrically according to said video information.