âAccording to the universal design, the color blind glasses have good ffect in many cases of red and green color blindness and weak color. At present, the lens is launched after several years of improvement and upgrade, the previous several functions into the fusion. However, considering the individual differences, the feeling and ffeet of wearing it will vary slightly from person to person. Bring bright evil spirit color blindness glasses, complementary see a picture to train, last a few days, the efect will be better.