Treat myopia? Reading distance and time!
summary
Myopia is a kind of eye disease with clear near vision and blurred far vision. In recent years, myopia is becoming more and more common, and the prevention of myopia has become a concern of more and more people. At present, myopia has become an important indicator of national physical fitness. So got myopia how to do? What does myopic eye treatment method have? Don't worry, let's start from the causes of myopia, and then explain some methods for the treatment of myopia.
Treat myopia? Reading distance and time!
First: the distance between reading and the distance of reading is the important factor that affects the incidence rate of myopia. The correct way is to put the book 30 cm away from the eye. Reading and writing for a long time can also increase the adjustment and convergence of the eyes, resulting in fatigue. Generally speaking, teenagers should not read for more than 60 minutes. When they need to read for a long time, they can first read for 1 hour and then rest for about 10 minutes. In this 10 minutes, they can look as far as possible, or do eye exercises to relieve eye fatigue.
Second: lighting conditions: the lighting requirements of teenagers are mainly school and family environment. It is appropriate to place 60W incandescent lamp in the upper left corner of the desk for family lighting, so as to ensure enough lighting intensity and get the appropriate light projection angle. The school should paint the walls regularly, and the lighting should be installed properly according to the lighting conditions and room size of the classroom.
Third: eye health exercise eye health exercise has become a routine measure for the prevention and treatment of juvenile myopia. Timely and conscientious completion of eye health exercise can relieve the eyestrain caused by long-term eye use, which is conducive to the prevention and treatment of juvenile pseudomyopia, and is a good method for juvenile eye self-care.
matters needing attention
Nutrition supplement: 1. Eat food containing calcium. Calcium deficiency is one of the main causes of visual dysplasia and myopia. Calcium containing foods include: milk, bean products, fish and shrimp, animal bone, animal liver, egg yolk, green vegetables rich in vitamin D, etc. 2、 Eat chromium food. Chromium plays a role in maintaining osmotic pressure balance during the development of eyeball. Children need about 50 – 200 micrograms of chromium per day. Chromium containing foods include Cereals, meat, cheese and egg yolks. 3、 Hard food. Increase the frequency and strength of the mouth, enhance the strength of facial muscles and eye muscles, avoid myopia. This kind of food has: carrot, fruit, cabbage, animal bone, beans and so on.