The random dot stereogram is printed in red and green. There are multiple pictures. The first large picture is used to check whether there is a qualitative inspection of binocular stereopsis, and the corresponding stereopsis sharpness will be marked below the following pictures for quantitative inspection of binocular stereopsis.

During the examination, you need to wear red and green glasses and place the stereopsis Book 40 cm in front of your eyes. If the patient has ametropia, you should wear corrective glasses, and then wear red and green glasses outside the corrective glasses.