Orthokeratology can effectively control myopia and avoid wearing glasses, but it needs to be worn every day, and the operation is complicated. The advantages and disadvantages of orthokeratology are very obvious.
First of all, the advantage of orthokeratology is that it can effectively control myopia. Myopia must be controlled. Some children may not be able to wear orthokeratology glasses if they are controlled early. When the degree develops too fast and too deep, you should consider wearing orthokeratology glasses. The principle of orthokeratology is to use the principle of hyperopia, which is itself a mirror similar to hyperopia, so myopia is getting deeper and deeper, and the greater hyperopia, the less myopia. Therefore, after putting on the orthokeratology lens, first of all. Secondary orthokeratology can restore children's good eyesight, which is the advantage of orthokeratology.
The disadvantage of orthokeratology is that it needs to be worn in the eyes every day, which is a little complicated to operate, but it can usually be done with the help of parents. As for the shortcomings, except that improper nursing may cause corneal damage, orthokeratology is limited to myopia within 500 degrees, and its function is not optimistic for myopia above 500 degrees.
In addition, its price is relatively expensive. If it is 1-2 years, it needs to be replaced 1 time, which will cause a certain burden to wage earners and ordinary families.