What does daily, monthly, and annual colored contact lenses mean? How do beginners wear colored contact lenses?

Colored contact lenses are a very common product on the market. Girls usually wear them before putting on makeup to make their eyes look more beautiful. So here we need to understand what daily, monthly, and annual disposable colored contact lenses mean? How should beginners wear colored contact lenses?

Annual disposable contact lenses refer to contact lenses with a service life of one year, and they can be reused. Daily disposable contact lenses are used for one day, that is, they are thrown away after use and do not require care. Monthly disposable contact lenses refer to contact lenses with a service life of one month. Annual disposable contact lenses are long-term, and are also the longest-lasting contact lenses currently available, with a service life of one year, but the actual use should be 8-10 months. Colored contact lenses were first proposed by Johnson & Johnson in the United States and are also one of the brands registered by Johnson & Johnson. Daily disposable contact lenses have high water content, soft lenses, and are comfortable to wear, but the lens molding is poor, and are generally not suitable for people who try them for the first time. The difference between the three types of contact lenses is that the different manufacturing processes lead to different service lives. In addition, high water content is not conducive to people with dry eyes, because the higher the water content, the more water the lens needs. When there is not enough water on the lens, it will be absorbed from the tears, causing dry eyes.

Step 1: Trim your nails, wash your hands and dry them. Nails can easily break the lenses, hurt your eyes and hide bacteria, so people who wear contact lenses frequently must not have long nails. Hands are in direct contact with the lenses and must be cleaned to avoid bringing bacteria into the eyes. If there is residual moisture on your hands, it will not only contaminate the lenses, but also make it more difficult to wear, so wipe them dry.

Step 2: Distinguish the front and back of the contact lenses. Contact lenses have front and back sides. If you wear them upside down, it will not only be difficult to wear, but will also cause eye discomfort, and you will need to put them on again.

Step 3: Start wearing. Put the lens on the index finger of your right hand, face the mirror, use the middle finger of your right hand to gently pull the lower eyelid of your eye, and the middle finger of your left hand to gently pull the upper eyelid of your eye, until the black eyeball is completely exposed to the air, then gently move the lens towards the black eyeball, the position must be accurate, when the lens and the eyeball are in contact with a certain distance, it will automatically adsorb to the eye.

Step 4: Close your eyes and move your eyeballs a few times to make the lens fit better. If the operation is not successful once, try a few more times.

Normally, a water content of 35%-38% is sufficient. The water content of cosmetic contact lenses refers to the proportion of water in the lens. The higher the water content, the more moist the contact lens is, the better the oxygen permeability, and the more comfortable the lens is to wear. Therefore, many people mistakenly believe that the higher the water content, the better. In fact, this is not the case. The higher the water content of cosmetic contact lenses, the more "nourishment" the cosmetic contact lenses need from water. As the time of wearing cosmetic contact lenses increases, part of the water in the lens itself will evaporate. At this time, in order to maintain the original water content, the lens will absorb tears. Therefore, lenses with high water content will absorb water from the eyes, causing the eyes to become increasingly dry. For those who often experience dry eyes or wear them for a long time, it is recommended to buy cosmetic contact lenses with low water content; if there are more tears and the wearing time is short, you can consider cosmetic contact lenses with high water content.

The diameter of the contact lens is a parameter when choosing contact lenses. It needs to be determined in combination with the color and pattern of the contact lenses and the size of the wearer's eyes and pupils. The larger the diameter of the contact lens, the more obvious the effect will be, but it does not mean that the larger the diameter of the contact lens, the better the appearance. Generally speaking, if you want a natural effect, people with smaller eyes can choose 13.8mm, while people with slightly larger eyes can choose around 14.0mm. In fact, 14.2mm will appear a little obvious to most people, so for daily work, school, and dating, you can choose a range of 13.8mm-14.0mm.