Title:
Eye-gaze detector, display method, spectacle lens design method, spectacle lens selection method, spectacle lens manufacturing method, and printed matter
Document Type and Number:
Japanese Patent JP6308277
Kind Code:
B2
Abstract:
A line of sight detection device includes: a measurement unit that measures a movement of eyeball of a subject wearing eyeglasses; a gaze point detection unit that detects a gaze point of the subject in a forward field of view of the subject based on a result of measurement by the measurement unit; a transmission point detection unit that detects a transmission point at which a line of sight of the subject toward the gaze point passes through a lens of the eyeglasses based on the result of the measurement by the measurement unit; and a display control unit that causes gaze point information indicating a position of the gaze point to be displayed at a display in superimposition on an image of the forward field of view and causes transmission point information indicating a position of the transmission point to be displayed at the display in superimposition on a lens image showing the lens of the eyeglasses.
Inventors:
Naoshi Aikawa
Application Number:
JP2016198155A
Publication Date:
April 11, 2018
Filing Date:
October 06, 2016
Export Citation:
Assignee:
NIKON CORPORATION
International Classes:
G02C13/00; A61B3/113; G02C7/06
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Attorney, Agent or Firm:
Fuyuki Nagai
Takao Watanabe
Takao Watanabe