Patents by Inventor Rikke Dootjes

Rikke Dootjes 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).

  • Patent number: 7699465
    Abstract: A scleral lens has an optical zone, a peripheral zone and a sagittal depth control zone between the optical zone and the peripheral zone. The sagittal depth control zone may be configured to raise the optical zone above the level of a person's eye when the scleral lens is in use and create a tear layer between the optical zone and the person's eye. Tear flow control features are provided in the sagittal depth control zone.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: April 20, 2010
    Inventors: Rikke Dootjes, William L. Sturm
  • Publication number: 20070242216
    Abstract: A scleral lens has an optical zone, a peripheral zone and a sagittal depth control zone between the optical zone and the peripheral zone. The sagittal depth control zone may be configured to raise the optical zone above the level of a person's eye when the scleral lens is in use and create a tear layer between the optical zone and the person's eye. Tear flow control features are provided in the sagittal depth control zone.
    Type: Application
    Filed: April 12, 2007
    Publication date: October 18, 2007
    Inventors: Rikke Dootjes, William Sturm