Patents Assigned to Ayetech Inc.
  • Eye exercising devices
    Patent number: 4838677
    Abstract: An eye exercising device is disclosed having a positioning product to position the eye along an optical axis, which defines a range of accommodation for the eye. The range of accommodation is bounded by a proximal and a distal limit. An object is movable along the optical path and a displacement device is provided to displace continuously the object along the optical path from a first location on one side of a given one of the limits to a second location on another side of the given limit opposite the first location.
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: June 13, 1989
    Assignee: Ayetech Inc.
    Inventors: Michael J. Bronskill, Bai-Chuan Jiang