Patents Examined by Theodore Shih
  • Patent number: 7118219
    Abstract: An test tool for optometry includes a lens holding frame and a clip. The lens holding frame pivotally supports a trial lens to be mounted. The clip is attached to a rear side of the lens holding frame to clamp glasses. The lens holding frame has a pair of axi-symmetrical C-shaped rims having open ends and opposing closed ends, and a connecting portion that connects the opposing closed ends of the rims. Each rim has an inner surface that forms an accommodating space for holding the trial lens to be pivotal and movable in a left-to-right direction.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: October 10, 2006
    Assignee: Hoya Corporation
    Inventor: Takashi Itagaki
  • Patent number: 7073907
    Abstract: An optometric apparatus for subjectively examining visual functions of an eye (PE) of an examinee is disclosed.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: July 11, 2006
    Assignee: Nidek Co., Ltd.
    Inventor: Yoshinobu Hosoi
  • Patent number: 7052134
    Abstract: A fundus camera capable of obtaining a fundus image while keeping a fixed field angle even if an eye is not emmetropia, and advantageously utilizing a photographed image for diagnosis. The camera includes a photographing optical system having a photographing optical axis, a focusing lens arranged movable along the axis in an optical-axis direction, and a first element which picks up a fundus image illuminated with illumination light for photographing via the lens, a unit which moves the lens, a unit which detects a position of the lens, a display, and a display control unit which synthesizes the fundus image picked up by the element within an opening of a display frame figure, a size of the opening determined by a detection result of the detecting unit, to display as an image keeping a fixed field angle regardless of visibility of the eye, and displays on the display.
    Type: Grant
    Filed: May 29, 2003
    Date of Patent: May 30, 2006
    Assignee: Nidek Co., Ltd.
    Inventors: Tsuguo Nanjo, Naohisa Shibata