The invention relates to a stereovision optometry apparatus comprising: a 3D display unit for displaying 3D image a reference 2D display unit for displaying reference 2D image an eyepiece in opposite side of the 2D display unit configured to view the images a reflective mirror in opposite side of the 3D display unit configured to move toward and away from the 3D display unit and a half mirror arranged between the 3D display and the reflective mirror and disposed at a point where propagation paths of the 2D image and the 3D image intersect wherein the 2D image penetrates through the half mirror to reach the eyepiece wherein the 3D image penetrates the half mirror to be reflected on the reflective mirror and then the reflected image is reflected on the half mirror to reach the eyepiece.
