Nowadays online learning is popular because of the pandemic. Most schools have to provide online learning for their students. There are a lot of advantages to the online learning, such as how it allows people to learn new things on online platforms. For example, now we have so many platforms for learning like Youtube, Clubhouse, etc, which allow us to learn more and more things that we are interested in. It is easy to find a good way to learn. Also, we can save the cost of transportation to go study outside. However, there are also some disadvantages for your eyes, because you have to stare on the screen while you are learning. It might be harmful to your eyes in the future.