Let me talk about this product first:
Principle: It belongs to corneal contact, worn at night, close to cornea, forcibly changing eyeball shape and diopter.
Hazards: high requirements for sanitary conditions will scratch the cornea, corneal inflammation, corneal ulcer and blindness; It has no therapeutic effect, and needs to be worn for a long time at night to have good vision during the day. Long-term use will definitely hurt the cornea!
Tell me more about your child:
5 years old 150 degrees, 7 years old, 400 degrees. According to this situation, if it is not congenital myopia, it may be that the child usually uses too many eyes and his eyes are easily tired.
The correct way is:
1, control daily eye use, starting with hygiene, diet, environment, eye habits, light, etc. And do specific Baidu search to try to use your eyes scientifically;
2. Pay close attention to institutions in vision care to restore children's vision. It is recommended to choose Chinese medicine therapy (remember not to choose external ointment massage therapy);
3, a pair of children's compound glasses, insist on wearing often, can effectively restore pseudomyopia and improve naked eye vision!