1. ㅇㄷㅈ As soon as I entered, he looked at my eyes and told me that I didn't need eye training. He kindly told me why I didn't need it. He looked confident, but he didn't really reflect my opinion. 2. ㅈㅅㅎ As soon as I walked in, he told me not to tell him to do it naturally, so I was a little embarrassed. He places more importance on pretty things. He seems confident. ㅇㄷㅈ is the only one who doesn't recommend a snow school, but he doesn't really reflect my opinion. 3. ㅈㄴ Asks my opinion from the beginning and tries to match what I say as much as possible. Natural adhesion. It seems like eye correction is highly recommended.