1. Cultivate good eyesight hygiene habits, including three ones: the hand holding the pen is one inch (3.3 cm) away from the nib, the chest is punched from the table (6-7 cm), and the book is one foot (33 cm) away from the eyes. Keep correct reading and writing posture, and don't read books when walking, riding or lying down to reduce vision fatigue.

2. Increase the lighting in the classroom to ensure that there is enough lighting from the left front. The illuminance suitable for reading and writing is 100 ~ 200 lux, which is equivalent to a 40-watt incandescent lamp or an 8-watt fluorescent lamp. Too strong or too weak lighting can lead to excessive eye accommodation.

3. The paper and printing of textbooks and reading materials should be of high quality, the paper should be white, the text and ink should be black, and the contrast between black and white should be increased. It is not suitable to read books and periodicals with yellow paper and unclear printing.

4. The continuous reading and writing duration should not be too long. Every 65,438+0 hours of reading and writing, you should overlook or rest for 65,438+00 minutes, advocate doing eye exercises and participating in outdoor cultural and sports activities.

Laser surgery for myopia is very mature, and the cost of surgery is about 3 thousand to 10 thousand yuan.