What are contacts? Contact lenses, also known as colored contact lenses, are a special type of contact lens. They are available in flat lenses and also in corresponding myopic prescriptions. In addition to its function of correcting vision, it has a fashionable cosmetic effect by changing the color of the iris through a certain concentration of color lenses, which are used for usual beauty or certain occupations such as actor performances; and can also be used as a means of cosmetic repair, while in a certain range of certain eye diseases its repair and treatment effects, such as repairing severe corneal white spots, iris heterochromia, and small eyes with the masking method; for pupil abnormalities, crystal dislocation Patients can use them to reduce their photophobia and diplopia symptoms; they can also be used to correct color vision abnormalities in color-blind or color-weak patients, etc. Contact lens colors are black, brown, chocolate, blue, gray, purple, green, etc. The effect of each color varies to meet the different needs of different consumers, such as black makes the eyes big and round, appearing spiritual, watery, watery teary-eyed effect, brown makes the eyes more beautiful, blue contacts make the eyes more melancholy, green eyes often make people feel mysterious, stunning and creative. The color shades and pattern designs also vary from brand to brand. Wearing more contacts can be harmful to your eyes. Why? Because contacts are sure to damage your eyesight if you want to achieve a cosmetic effect on your eyes. The contacts are larger and thicker, and their oxygen permeability and protein resistance is less than that of ordinary contact lenses. They may also affect our night vision, and a very small number of people may experience damage to their eyes from colored substances leaking out. This is why it is especially important to choose a regular merchant to purchase your contacts. For the sake of your eye health, we recommend that you do not use colored lenses as regular lenses. It is a good idea to keep a pair of regular contact lenses and frames in your daily life to rotate them. You can also change the look more often. Not only colored contact lenses, but all contact lenses themselves are more or less at risk of corneal edema and mechanical damage to the cornea and conjunctivitis, which is related to the quality of the lenses as well as the method of operation and care when removing the lenses. Precautions for wearing contacts: The use and care of contacts and conventional contact lenses are basically the same. 1. Be sure to go to a regular optometry facility for an optometry and eye exam before wearing contact lenses for the first time. You can’t wear contact lenses for more than 8 hours a day, and for those who are wearing contact lenses or contacts for the first time, you must only wear them for a shorter period of time. 2, people whose eyes are prone to allergies are not suitable for wearing contact lenses. 3, to often use care solution to clean the lenses to ensure clean, as well as the right to do all the care measures. Care solution should not be used containing chlorine or hydrogen peroxide care solution, deproteinase tablets can make the lenses are mottled. Appropriate surfactants can be used to enhance lens cleaning and prevent protein precipitation. 4, those who need makeup is best to put on makeup and then wear contact lenses, otherwise makeup dust will fall in the eyes, causing excessive eye friction, which not only hurts the eyes, but also shortens the life of contact lenses. 5, timely replacement of contacts. Usually contact lenses are annual disposable type, which means that the life of a year. But because the environment is different, as well as the frequency of use and use of different methods, will have some impact on the service life, so to increase the frequency of lens replacement, shorten the wearing time. After 5 months of wear, it is important to observe the lenses frequently to see if there is any damage or other impurities that cannot be removed. If there is a breakage, then the contact lenses should be replaced immediately. 6. Contact lens wearers should have their eyes checked regularly. If your eyes feel uncomfortable, you should first go to the hospital for an examination or consult a professional to see if it is suitable to continue wearing contact lenses.