Well, actually it is very painful to have battery acids in your eyes. And in some cases, it can be dangerous. You should know that battery acids are made from chemicals, and it can be irritants in your eyes. And it can infect your eyes. Finally, your eyes can be red and bloodshot. In some cases, it also will lead to some other eye diseases, such as pink eyes. So just wash your eyes with pure water as soon as possible. Also, you should open your eyes as big as you can. After that, you should go and see the eye doctor as soon as possible. the doctor can just have some text for you.