What is the cause of red eyes when wearing contact lenses? _Contact lenses_

Contact lenses are convenient for many people to a certain extent, but they also show the trouble of contact lenses in many ways, especially when the eyes are uncomfortable, the disadvantages of contact lenses are obvious. Wearing contact lenses may have many different manifestations, and it is very common to wear contact lenses with red eyes. What is going on? Let’s take a look at it together. The method of wearing contact lenses is also very important. Some wearers may also cause red eyes due to incorrect wearing. For example, if contact lenses are worn backwards, the eyes will feel very uncomfortable due to friction, and red eyes are particularly common. Inadequate cleaning of the lenses can also cause red eyes. Due to the precipitation of protein, if it is not cleaned, it will breed bacteria, irritate the cornea, and cause eye congestion. Therefore, the cleanliness of the lens is very important. The lens is damaged. Some lenses are damaged during wearing. After wearing them, it will also affect the eyes. Contact lenses are not suitable for individuals, because the base curve of the individual's eyes, the degree of dryness and wetness of the eyes, etc. will be somewhat different, and the diameter of the lens is not satisfactory for all people. Some people are not suitable for individuals because of the lenses worn, such as some Human glasses are relatively dry. Wearing lenses with high water content will cause tears to evaporate faster, and it is more likely to cause eye discomfort and red eyes. Inflammation is an important factor that causes red eyes with contact lenses. Because the cleaning and disinfection of the lenses are not handled properly, it causes eye infections and causes eye inflammation. Wearing it for too long, generally should not exceed eight hours, and you still have to take it off at night. Wearing contact lenses to sleep is not conducive to the metabolism of the cornea, and it will also cause red eyes. Personal physical factors, some people are allergic, will be allergic to the remaining preservation liquid of the lens. The sensation of foreign body in the eyes is obvious when wearing it for the first time, and the eyes will be congested due to the irritation of the contact lens, and the eyes will appear red. It's better after getting used to it. If you wear contact lenses for a long time, the resistance of your eyes will decrease and your eyes will appear red. Try to wear contact lenses as little as possible. Environmental factors, such as a dry environment or a polluted environment, will cause some irritation to the eyes, and red eyes will also appear. Excessive use of eyes can cause eye fatigue, congestion of the eyes and red eyes when wearing contact lenses.