What happens when wearing contact lenses for a long time?

While some friends temporarily wear contact lenses just to take photos, the vast majority of wearers still want to wear contact lenses for a long time. So, what changes will bring to the eyes? Lets understand it!

Wear contact lenses for a long time, the most direct reflection of oxygen, because the lens can hinder oxygen through corneal metabolism this causes the lack of essential oxygen supply, in the long run will affect the basic function of the eye, and lead to eyes similar human altitude sickness, thus the eye resistance decline, contribute to vascular hyperplasia, but also may affect the vision.

Often wear contact lenses for a long time, the cornea is always "breath", easy to produce visual fatigue, this kind of situation gradually increased, there will be eyes acid swelling, foreign body sensation, secretions, dry tears, blurred vision, if it development, will eventually suffer from eye diseases such as dry eye disease, the consequences are very serious.

Due to the invasive wearing characteristics of contact lenses, it is very easy to carry bacteria or viruses into the eyes. When the eye resistance drops and corneal perception decreases, it is not only very easy to infect, but also you may not notice it in the early stage, and it is easy to delay treatment.

Generally speaking, corneal tissue cells are constantly regenerated, but the hypoxia caused by wearing glasses for a long time and the friction of the lens itself will increase the loss of cells and add additional burden to the metabolic function. Therefore, it is often said that the cornea will become thin after wearing contact lenses for a long time, which is because of various reasons resulting to the large reduction of corneal cells, not only can not do eye surgery, but also greatly increase the risk of cataract and other eye diseases.

Eyes are an important channel for us to understand the world. Blind sight is a great blow to a person, so we must protect our eyes, and never damage the cornea in order to wear contact lenses. author suggests that you should not wear them for any more than eight hours a day, and you should not sleep with a mirror. When necessary, contact lenses and glasses should be worn alternately to ensure that your eyes can be fully relaxed.