PROBLEM TO BE SOLVED: To provide a stereopsis test system for accurately test stereopsis without requiring the voluntary action of a subject.SOLUTION: The stereopsis test system includes: a display unit 1 for displaying stereoscopic targets having parallax between a right eye target and a left eye target a parallax difference operation unit 5 for inputting a parallax difference between the stereoscopic targets a control device 2 for displaying the right eye target visually recognized only by the right eye of the subject, and the left eye target visually recognized only by the left eye of the subject, with a parallax difference input stereoscopic glasses 3 worn by the subject, making the right eye of the subject visually recognize the right eye target, and the left eye of the subject visually recognize the left eye target and a measurement operation unit 4 operated by a measurer, and receiving the input of the change in pupillary distance of both eyes of the subject from a close state to a separate state. During the stereopsis test, the control device 2 increases the parallax difference between the stereoscopic targets, and a limit parallax difference allowing the stereopsis is defined based on a parallax difference when detecting the input into the measurement operation unit 4.