JP2021074101A5 - - Google Patents

Claims (5)

An ophthalmologic measuring device for measuring an eye to be examined,
a projection optical system that projects a target onto the anterior segment of the eye to be inspected;
a photographing means for obtaining an image of the anterior segment of the subject's eye by photographing the anterior segment on which the index is projected;
position information acquisition means for acquiring specified position information when an examiner specifies a position related to the Purkinje image by the index in the anterior segment image;
computing means for acquiring shape information of the anterior eye segment based on the specified position information;
An ophthalmologic measurement device comprising: 2. An ophthalmologist according to claim 1, wherein said computing means detects said Purkinje image from said anterior segment image based on said designated position information, and acquires said shape information based on said detected position of said Purkinje image. measuring device. The Purkinje image includes at least a second Purkinje image resulting from corneal back surface reflection of the target,
3. The ophthalmologic measuring apparatus according to claim 1, wherein said computing means acquires said shape information relating to the posterior surface of the cornea. 4. The ophthalmologic measuring apparatus according to claim 1, wherein said computing means performs image processing for improving visibility of said Purkinje image on said anterior segment image. The projection optical system projects a plurality of indices onto the anterior segment,
The computing means causes the display means to display at least one of a fitting result and a fitting error obtained by performing fitting processing on the detection positions of the plurality of Purkinje images detected from the anterior segment image. The ophthalmologic measurement apparatus according to any one of claims 1 to 4, characterized by: