With the increasing popularity of contact lenses and the increasing number of novice wearers, it is inevitable that people will have questions about the classification of contact lens cast.Today, xiaobian to explain to you the meaning of contact lenses thrown.
Mooncast contact lenses are contact lenses with a life cycle of no more than one month, and the life cycle is calculated from the date of unpacking.Contact lenses have a shelf life of several years before they are opened, but once they come into contact with air, aging begins, and even when they are not worn, they must be counted into their use.
Contact lenses in the process of wearing will continue to adsorb protein precipitation, lipid and other substances, although synchronized cleaning care, but there will still be blocked in the material of the precipitate in the gap can not be completely removed.Not only does this affect the lenses' oxygen permeability, but bacteria can also easily grow and cause eye infections.If there is a certain amount of financial pressure to buy the daily lens, then the monthly lens will definitely be healthier and safer than the annual or semi-annual lens.
It is important to note that no matter how high the oxygen permeability coefficient of contact lenses, also can not be worn without taking off.Wearing contact lenses continuously for a long time will hinder the corneal breathing and make the cornea edema due to lack of oxygen, resulting in dryness, visual fatigue, itching, tearing and other uncomfortable symptoms.It is recommended to set aside 1-2 days a week to change the glasses, so that the eyes can be fully rested.
If it is the first time to wear the lunar cast novice, must be equipped with glasses before the formal eye inspection, the standard inspection process and the correct use of the method to ensure eye health.At the same time, we also recommend regular contact lens wearers to the hospital to check the fundus, to avoid the occurrence of eye inflammation.
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