Patent ID: 7350919

Claim:
A device for adaptively enhancing the vision of a subject, the device comprising: a) an adjustable lens system; b) a wearable mounting for positioning said lens system with respect to an eye of the subject; c) at least one image detector positioned in or on at least one of said wearable mounting or said adjustable lens system, said at least one image detector configured to detect at least one component of a finite fraction of at least first and second time varying images reflected from the eye of the subject, wherein said first and second time varying images are reflections of time varying visual inputs; d) an image analyzer for determining a value of an image quality attribute of said first time varying image through comparison of said first time varying image with said second time varying image as a reference image, said image analyzer operatively coupled to said image detector; and e) a lens system controller configured to adjust said adjustable lens system at intervals and responsive to said value of said image quality attribute, said lens system controller operatively coupled to said adjustable lens system and configured to be carried by the subject, said lens system controller being configured to receive data representative of said image quality attribute.