There are two reasons for myopia deepening. Generally speaking, children's short-sighted will be increased by 50 to 75 degrees during one or two years, and adults gain 50 to 75 degrees during two or three years, which are all common situations. There are usually two causes of deepening myopic degree.One is pathological myopia, which is internal lesions inside eyes, inherited, and you can see this kind of myopia grows rapidly and continues to deepen. If myopia increases by more than 100 degrees within one year, or even up to 200 degrees or higher, or the total has reached 2000 degrees of high myopia, it is likely to be pathological myopia.
As for pathological myopia, there are no effective treatment methods at the present time. If there is a symptom of posterior scleral staphyloma, the most common treatment method is posterior scleral reinforcement. This procedure is the use of a fascia of the posterior scleral pocket up. On the one hand, strengthened the posterior scleral support force, to prevent the continued development of posterior scleral staphyloma.
On the other hand, it can help to reduce the diameter of eyeball and degrees at a certain extent. Another cause is regardless of using eyes healthily and inappropriate habits. For example, too bright or too dark illumination, over-work of eyes and delayed treatment of such eye diseases as trichiasis, ptosis and keratitis.
There are special points that should be paid particular attention to in buying glasses. Once find that the current eyeglasses online can not meet the vision requirements, you should promptly go to the regular eye hospital for check-ups, correct myopia, replace the appropriate glasses, and have regular review. Teenages under 12 years old, it's best to optometry once in a half or one year and the use of mydriasis optometry, so that the eyes of the ciliary muscle to fully relax. It can also eliminate the inaccuracy caused by pseudo-myopia. And you should timely wear eyewear to correct. The adults who's age are no more than 40 years old.
If it is the first time for him to do optometry, he also need mydriasis Test & optometry and has a thorough and careful fundus examination at the same time in order to rule out such diseases like retinal disease and crystal defects. It is important to use eyes healthily: but how? The author thinks that you should reduce the time using eyes as short as possible. It is because during the growth and development of human eyes, the time is limited to look at something nearby. If you exceed the limit, it is likely to have pathological change, thus occurring myopia.
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. If you use it for a long time at one time, you will shorten its life because of excessive consumption. So, you should leave enough time for your eyes to take a rest.
You should try to do the followings: 1. A day to see the time, the cumulative time during a day spent in seeing something near had better not to be more than six hours. 2. In the learning process, you should do listening as much as possible instead of loo 3. Your desk should be placed in front of the window without shelter. 4. The desk lamp should be incandescent lamp between twenty-five and forty watt, the light shouldn’t shine direct into your eyes. 5. When you are using the computer, keep a right distan
