Advantages: it can improve vision in a short time. Myopia diopter reduction effect is good, and glasses or contact lenses are not needed. Simple operation and convenient use. There is no risk, and other eye functions are not affected. It can inhibit the development of juvenile progressive myopia. It can meet the requirements of some special occupations for hyperopia.

Disadvantages: individuals have the ability to take off and wear lenses, clean and care, live a regular life and have certain sanitary conditions. The degree requirement is relatively limited, which is not suitable for high myopia and high astigmatism. The cost is relatively high.

Precautions for wearing ok glasses

1, the lens itself is fragile, so you must be careful when cleaning, rub it gently, apply force evenly, avoid fragments, and pay attention to avoid scratching and losing the lens.

2. If the lens becomes tight, it needs to be dyed and polished by a professional organization; Deproteinization is performed every three months to keep the lens clean.

3. If you have a cold, fever, diarrhea, red eyes and discomfort (such as eye pain, itching, photophobia, tears, etc.). ), stop wearing it immediately and contact your doctor in time.