Modularized electronic eyesight detector

The invention provides a modularized electronic eyesight detector. The modularized electronic eyesight detector comprises a CPU chip, an eyesight detection circuit module, a mounting housing and expansion interfaces. The CPU chip and the eyesight detection circuit module are integrated in a detection function module, the detection function module is arranged in the mounting housing, the mounting housing is provided with a plurality of the expansion interfaces (4), and the detection function module is connected with the external equipment through the plurality of the expansion interfaces (4). According to the invention, the CPU chip and the eyesight detection circuit module in the electronic eyesight detector are split off from a conventional display electronic eyesight detector all-in-one machine, the structure of the modularized electronic eyesight detector is simplified, and the modularized electronic eyesight detector can be installed conveniently, and can adapt to various devices with display screens, another multimedia function and a network interconnection function are integrated in the modularized electronic eyesight detector, user' demands can be satisfied better, and the user experience can be improved.