Practical teaching is an important part of the teaching of optometry technology in higher vocational colleges. In order to solve the problem of insufficient comprehensive practical ability of cultivating talents，ideological and political education was integrated into practical teaching and vision examination was taken as an example. The case design of ideological and political teaching in the course of “Three-teacher Co-construction and Three-stage Education” from the perspective of situational learning was put forward. It provided reference for the practical teaching of optometry technology.