I am not sure what is korean contact lenses. I just search it online and find some label with korean contact lenses at alibaba.com. You can check it yourself. And here is the links https://www.alibaba.com/showroom/korea-contact-lenses.html. Good luck.
Recently, korean contact lenses are so popular becuase they do make wearers' eyes look bigger. Speaking of buying it, you are recommended to find them online because there are so many online stores that sell korean contact lenses at affordable prices. You can google "korean contact lenses". Do remember find a good store that has good reputation. Also, for the sake of your eye health, please find qualified korean contact lenses to make your eyes look more beautiful.
Yes, your friend is right. If you want to make your eyes look bigger, you should try Korean contact lenses, especially the circle lenses. As we know that circle lenses are originated in South Korea in around 2005, and were made popular by Asian celebrities and models. The colored portion of the lens covers an area larger than the average human iris. So in that way, it can manipulate the ratio between the iris, whites and opening of the eye. In the end, it can give the appearance of a larger iris and an enlarged eye. And you can buy the perfect circle contact lenses on eyecandy shop. When you link into the website as https://eyecandylens.com/index.php?main_page=about_us&zenid=650ce5e40b6ab8b59306867961cbbd5b, they can give many options which are very cute and make you look nice. Their service and discount are also wonderful. Anyway, just have a try, or you will regret.
If you want to make your eyes look bigger, you could try to wear the colored contact lenses. And the korean contact lenses are colorful. You could go to the ebay to have a search. Many online stores may have this type of contact lenses and the price is suitable online.
Yes of course, since Koreans are good at finding various ways to improve their looks. So, your friend is right, there do exist a lot of contact lenses of different types on the market. And Korean contacts are generally more beautiful and attractive than other kinds. You could find loads and loads of Korean made contacts on the Internet, such as Ebay, Amazon, or MaxMart, visionworks, they have imported lots of them to sell.