Myopia degree can constantly deepen for two reasons: Generally speaking, children's myopia may increase by 50 ~ 75 degrees in one or two years.The myopia degree of adult have an increase of 50 to 75 degrees two or three years,which is common situation. The reason for the increase account for two factors. One is sacroiliac myopia, which is caused by the diseases of inside eyes with inheritance feature. It would appear as continuing and fast degrees increase. If myopia can be increased by more than 100 degrees within one year, even up to 200 degrees or higher, or accumulatively reaches 2000 degrees of high myopia, it is likely pathological myopia.

There is no effective method to cure pathological shortsightedness nowadays. At present, the main treatment for scleral staphyloma is scleral reinforcement. This procedure is using a fascia to pocket posterior scleral up, on the one hand strengthen the support force of posterior scleral to prevent the continued development of posterior scleral staphyloma;

And on the other hand can shorten the anteroposterior diameter of the eye reducing the degree of myopia to a certain extent. Another reason is that too little attention being paid to eye health and the falseness of eye habits. For examples, lighting too bright or too dark, long-time looking. Or not treating and diagnose the disease, such as, trichiasis, ptosis, keratitis untimely.

Buying reading glasses with stress: inappropriate glasses may also increase the myopia. Once the eyeglasses frames can not meet the vision requirements, they should promptly go to eye hospital for the regular ophthalmologic examination ,correct myopia degrees, replace with the appropriate glasses and review regularly. Young people under the age 12 years old had better to take optometry once six months or a year, and use mydriasis optometry which can make the ciliary muscle of the eyes to be fully relax. Eliminate the inaccuracy of pseudo myopia, wear glasses frames to remedy in time. For adult the general age should be under 40 years.

if you make glasses by optometrist for the first time, you should take Mydrin-P optometrist and meanwhile do a complete eye ground check in details so as to remove the eye ground diseases or crystal abnormality. It is very important to pay more attention to eye sanitation: On how to correctly use eye, the writer think save using eye is very important. Because there is limited time to look at near when eye in growing development period, if the time is exceed this limit it is easy to cause pathological change, and than myopia occurs.

Someone compared vision to battery in the flashlight, the shorter you used it at one time, the more times you can use it, the longer its life is. A long-term use will shorten service life because of acute consumption, so you should give the eyes a reasonable rest time.

Following tips should try to complete: 1. You'd better look at the nearby things within 6 hours totally. 2. Listening instead of watching to reduce your eyes' burden. 3. Placing your desk in front of the windows uncovered. 4. If you use incandescent lamp, 25-40W is best for your eyes.Don't let lamplight to illuminate your eyes directly. 5. Keep enough distance and correct posture when operate the computer. 6. Do more o