Taiwan students in the severity of myopia is not only the high prevalence and risk of myopia is also deep, easy to change due to axial length, thinning of the eye, cause retinal detachment, macular hemorrhage, glaucoma, cataracts and other complications. According to statistics, more than 600 degrees of myopia probability of occurrence of these complications, several times normal, so if no effective measures to avoid or delay the study (young) child,"Do not place too early myopia,"a high degree of myopia in the young age rates will continue rising, the ratio of people with eye disease severity will increase, not only increase health care costs, but also affect the national quality of life. To enhance learning