No matter how good the quality of contact lenses is, they are also a foreign body for the eyes. No matter how high the oxygen permeability of lenses is, they will always hinder the corneal respiration to a certain extent. Although contact lenses look small and delicate, they have considerable lethality, which is no different from the "invisible killer". At present, the use of contact lenses is expanding, and the risk is also increasing, resulting in more prominent health problems.
Businessmen tend to overemphasize the good side of contact lenses and render the effect of beautifying the eyes, but they lack detailed introduction and risk tips on the operation and use of contact lenses, avoiding the possible problems. Therefore, consumers need to pay special attention to self-protection, pay more attention to cleaning and hygiene, to avoid infection with parasites, corneal inflammation and other diseases.
Contact lenses are not for everyone. Primary and secondary school students are in the golden age of eye development, usually with strong eye intensity, it is very not recommended to wear contact lenses. Due to the gradual decline of cell function in middle-aged and elderly people, it may cause greater harm to the eyes. If you suffer from any eye disease, you must follow the doctor's advice to avoid wearing contact lenses to aggravate the condition.
In order to avoid the physical damage caused by too many operations, for the first wearer, it is generally more recommended to choose well-formed lenses with a certain thickness, and other skilled, you can try more types. Contact lenses with short abandonment cycles are healthier, have higher water content and oxygen permeability, and deposit less dirt.
Long-term wearing contact lenses is harmful, corneal sensitivity is reduced, hypoxia affects metabolism, and may cause complications to varying degrees. In the contact lens market, color contact lenses are the most popular, but they are also "disaster areas". To wear contact lenses scientifically, we must keep in mind that hygiene is the first and safety is the first.