Contact lenses are an innovative medical device that allows people who cannot see clearly without glasses to see clearly and clearly without glasses. Let’s see how this very thin medical device can be used more safely. In this article, we will learn about “10 Things you need to know about using contact lenses.” I’m writing to tell people who are currently using contact lenses or who will be using contact lenses in the future. The person who is writing this is an optician of Korea. I also have been using contact lenses for more than 10 years. Now, I’m going to tell you that my experience and my knowledge as an eye health expert have come out. So let’s get started.