Abstract: The present invention relates to an eyesight examination method, an eyesight examination device, and a downloader server for storing a program of the eyesight examination method, the eyesight examination method comprising the steps of: displaying an optotype image and a plurality of reference images; receiving a response to the optotype image; and determining whether a reference image determined on the basis of the response from among the plurality of reference images has the same shape as the optotype image, wherein one of the plurality of reference images has the same shape as the optotype image.

Abstract: The present invention relates to an eyesight examination method, an eyesight examination device, and a downloader server for storing a program of the eyesight examination method, the eyesight examination method comprising the steps of: displaying an optotype image and a plurality of reference images; receiving a response to the optotype image; and determining whether a reference image determined on the basis of the response from among the plurality of reference images has the same shape as the optotype image, wherein one of the plurality of reference images has the same shape as the optotype image.

Abstract: A contact lens virtual fitting method comprises the steps of: capturing an image of a contact lens mounted on a contact lens holder through a second optical lens in a case forming a darkroom; identifying a contact lens region from the captured image of the contact lens; granting a degree of transparency to corresponding pixels of the contact lens region on the basis of a color of the contact lens holder or a color of a contact lens case; synthesizing the contact lens image created through the second optical lens with a pupil of an identified eye region according to the degree of transparency granted to the contact lens image; and displaying the synthesized image.

Abstract: Provided is an automatic eyesight test device comprising: a display unit for displaying an eyesight test chart image including a first figure expressed in a line and a second figure expressed in a line in the interior of the first figure; and an input unit for receiving a user input having responded to the displayed eyesight test chart image, wherein the interval between a first point of a line expressing the first figure and a point corresponding to a line expressing the second figure is narrower than the interval between a second point of the line expressing the first figure and the point corresponding to the line expressing the second figure.