20xx大學(xué)關(guān)于英語演講稿5分鐘(編輯修改稿)
2025-01-13 22:38 本頁面
【文章內(nèi)容簡介】 nts are usually long time focus on close work such as the 3 c product screen or book excessive use of the ciliary muscle of the eye make the ocular axial length increased lead to myopic degree is deepened fast. Now mon to many teenagers or children get cell phone watch movies or playing online games.
Ophthalmologist Chen Yichuan pointed out that the development of the eyes canamp。39。t afford to height in using load degree it is easy to soar high myopia rate observed in recent years schoolchildren continue to increase in addition to academic pressure is still heavy and often use the puter or mobile phone is also a reason. In addition if parents have already high myopia the next generation is also very prone to myopia genetic constitution.
Traditional treatment of high myopia will use the ciliary muscle relaxant and also is often said that the mydriatic agent. Excessive use of eye because work can lead to a temporary increase degree actually you can resume after the break use potions can be forced to relax ciliary muscle. But the use of mydriatic agent there may be other issues such as eye contact too much ultraviolet light during the day prone to photophobia symptoms pupil loose big will make elevated intraocular pressure may cause glaua. In addition there have some genetic constitution height myopia for a mydriatic agent effect is not obvious.
There are more and more people choose corneal shape the use of night sleep wear hard contact lenses to correct degree this kind of contact lens lens inside coils of different radian design. The patients sleep in the night time to wear the glasses can slowly to set the radian of corneal surface shape radian after the change of the cornea for people who often want to close your eyes also can
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