Patents by Inventor Roger Albert Lucas

Roger Albert Lucas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wide field scanning laser opthalmoscope
    Patent number: 5815242
    Abstract: A scanning ophthalmoscope which produces images of the rear surface of the human eye, and particularly of the retina, by utilising an aspherical mirror to reflect light beams, produced by multiple scanning laser light sources, into the retina. This ophthalmoscope incorporates dynamic systems for the compensation of focus and residual astigmatisms in addition to providing accurate wide field images with adequate resolution and contrast which can be displayed and stored in standard computer systems.
    Type: Grant
    Filed: May 9, 1996
    Date of Patent: September 29, 1998
    Assignee: OPTOS Public Limited Company
    Inventors: Douglas Crombie Anderson, Roger Albert Lucas, Robert Henderson