Patents Assigned to Polylite Taiwan Co., Ltd.
  • Method of making prescription lens
    Patent number: 8449111
    Abstract: In one aspect of the present invention, a method for manufacturing a prescription lens includes obtaining information of a prescription lens and a frame to accommodate the prescription lens, the information of the prescription lens comprising a lens power, an optical zone and a spherical front base curve, and the information of the frame comprises a frame curve; calculating the maximum lens thickness of the prescription lens at the optical zone according to the information of the prescription lens; selecting a lens according to the calculated maximum lens thickness at the optical zone, the information of the prescription lens and the frame; and processing the selected lens so as to obtain the prescription lens having an intermediate zone surrounding the optical zone and an edge zone surrounding the intermediate zone such that the thickness of the edge zone is substantially thinner than the maximum lens thickness of the optical zone.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: May 28, 2013
    Assignee: Polylite Taiwan Co., Ltd.
    Inventor: Kenneth Allen Weatherby
  • METHOD OF MAKING PRESCRIPTION LENS
    Publication number: 20130107205
    Abstract: In one aspect of the present invention, a method for manufacturing a prescription lens includes obtaining information of a prescription lens and a frame to accommodate the prescription lens, the information of the prescription lens comprising a lens power, an optical zone and a spherical front base curve, and the information of the frame comprises a frame curve; calculating the maximum lens thickness of the prescription lens at the optical zone according to the information of the prescription lens; selecting a lens according to the calculated maximum lens thickness at the optical zone, the information of the prescription lens and the frame; and processing the selected lens so as to obtain the prescription lens having an intermediate zone surrounding the optical zone and an edge zone surrounding the intermediate zone such that the thickness of the edge zone is substantially thinner than the maximum lens thickness of the optical zone.
    Type: Application
    Filed: October 28, 2011
    Publication date: May 2, 2013
    Applicant: POLYLITE TAIWAN CO., LTD.
    Inventor: Kenneth Allen Weatherby
  • Prescription lens and method of making same
    Patent number: 8002404
    Abstract: The present invention relates to a method for manufacturing a prescription lens.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: August 23, 2011
    Assignee: Polylite Taiwan Co., Ltd.
    Inventor: Kenneth Allen Weatherby
  • PRESCRIPTION LENS AND METHOD OF MAKING SAME
    Publication number: 20100296048
    Abstract: The present invention relates to a method for manufacturing a prescription lens.
    Type: Application
    Filed: May 22, 2009
    Publication date: November 25, 2010
    Applicant: Polylite Taiwan Co., Ltd.
    Inventor: Kenneth Allen Weatherby