What should I pay attention to when purchasing contact lenses online? Which is better, monthly or annual?

What should I pay attention to when purchasing contact lenses online? Monthly disposable and annual disposable, which one is better?

With the rise of Taobao, we have all fallen in love with online shopping, from an electrical appliance to a pair of socks, we all like to buy directly online. The company's main business is to provide a wide range of products and services to the public.

The things that need to be noted when buying contact lenses online.

One, before buying contact lenses online must be professional optometry, the initial understanding of their eye vision situation. Generally speaking contact lens optometry, one is the base arc, that is, the curvature of the contact lens, normal words to match their own eyes is more comfortable. The second is the water content, the higher the water content, the easier it is to dry your eyes, because you need to rely on tears to maintain the water content of the lens, so the lower the water content the less likely to dry. Only by being clear about your own eye condition can you get the most suitable contact lenses for you.

The first thing you need to do is to get a medical device license. in June 2003, contact lenses were classified as Class III medical devices, and since then the sale of contact lenses and their contact lens care solution is a medical practice, whether it is an optician or a contact lens network, you must have a medical device business enterprise license before you are entitled to sell.

Third, buy contact lenses online cycle of choice usually, the first wear is recommended to choose the annual disposable contact lenses, because the process is better, better molding, easier to wear, you can choose the more famous a few contact lens store to buy.

Fourth, the choice of contact lens brands to buy online. The first thing you need to do is to pay special attention to see if the brand has a registration certificate issued by the State Drug Administration. The State Drug Administration adopted the ISO international standard for contact lenses with various functional tests, such as the lens grinding process, the degree of damage to the cornea, the materials used and the water content of the lens, breathability, etc., so the quality of the brand with the registration certificate is generally guaranteed.

Many people think that the degree of frame glasses and contact lenses are the same, often according to the degree of frame glasses to buy contact lenses, in fact, the degree of contact lenses and frame glasses are different, the higher the degree of difference is more obvious. The difference between lenses below 400 degrees is generally not significant, while contact lenses greater than 400 degrees require an increase or decrease in prescription.

Monthly disposable contact lenses are safer and more expensive than annual disposable contact lenses

Wearing frame glasses not only affects your face, but also your life. It is common to find that when it rains, the rain will come on your glasses and affect your vision, so contact lenses become the choice for most people.

For people who are new to contact lenses, they can be uncomfortable, this is because the contact lens is completely fit on the eye, so it will feel like a foreign body, but there is one thing, that is, get used to it and can adapt down. And what is a monthly disposable and what is an annual disposable, in fact, is literally a monthly disposable means that the contact lens can only be used for a month, while the annual disposable means that the contact lens can be used for a year.

If you are just starting to wear contact lenses, because you are not quite used to them, it is recommended that you choose monthly disposable glasses, so that your eyes can get used to them, and then choose annual disposable contact lenses, which is better for your eyes. It is also important to note that there is a difference in price between monthly and yearly contact lenses.

Ali glasses reminded, in the online purchase of contact lenses need to pay attention to things or more, must choose the regular business to buy, to ensure product quality, but also to protect eye health.