The so-called myopia refers to see the close objects clearly while the distant looks fuzzy. Innate factor and postnatal factor are the two factors lead to myopia. Innate factor is mainly concerned with heredity. If those parents have myopia, children are also susceptible to myopia, but not say that the child was born with myopia. The children are susceptible to myopia because of innate factor and harmful living and studying environmental impact. Postnatal factor is link with improperly long-term use of eyes. Reading and writing in the insufficient light, reading the books too close, reading with cocked head, lay reading, and reading in the driving car will make the eyes fatigue and lead to myopia. Continue to learn TCM Treatment for Open-angle Glaucoma.