The OK mirror is designed with four zones and seven arcs, and the OK mirror is made of high oxygen permeability material. Under normal circumstances, the cornea is metabolized by oxygen in the air. After the oxygen permeability is improved, corneal hypoxia can be alleviated and complications such as corneal inflammation can be avoided.
The fitting of OK glasses must be carried out by professionals under the supervision of ophthalmologists or optometrists. According to the requirements of National Medical Products Administration, medical equipment such as computer optometry instrument, corneal curvature instrument, corneal topography instrument, pneumatic tonometer, corneal thickness gauge, slit lamp microscope and ophthalmoscope must be equipped, and regular follow-up observation should be made.
Extended data:
Precautions:
Rubbing the eyes causes the lens to deviate from the center or shift. Take out the lens the next morning, and your vision will be affected. However, rubbing your eyes slightly at ordinary times will only affect the epithelium of cornea. You can apply hot compress for many times and drop artificial tears, and recover within 24 -48 hours after taking out the lens. But rubbing eyes is usually caused by allergic conjunctivitis. It is best to control eye problems before wearing glasses.
If you don't wear glasses for one night, your eyesight may deteriorate the next day, and you even need to wear frame glasses to improve your eyesight. Ophthalmologists will provide appropriate advice to users after evaluating their eyesight. Some patients can wear lenses every other night after evaluation and still maintain good naked eye vision during the day.
Baidu encyclopedia -OK mirror image