Combining the biological effects with electronic techniques controlled by computer, and adopting the techniques of medium frequency pulse treatment, it can imitate body’s biological wave. This medium frequency biological effects programmed by computer can stimulate the eyespot area effectively, relieving the spasm of and intraocular and extraocular muscle, adjust nervous system, enhance the changing of convergence function and the eye blood circulation, inspire the function of eyes nervous system, remove and ameliorate the symptoms and signs of asthenopia, so it will be beneficial to visual transduction and achieve the purposes of cure amblyopia and improve vision.
