Definitely, serious eyes problems will lead to some ear problems. But slight problem like eyesight problem won't be harmful.
Because our organs are all connected by nerves and blood vessels. Once eyes get infected, and they didn't get cure in time, the bacterium would affect ears, or nose, even our throats.
If the situation went really bad, people would get headache, dizzy, or other problems.
If your eyes get infections, you need to cure them as soon as possible.
Yes, eyes are connected to ears. In addition, the eyes are connected with throat. That is to say, if you have any problems at eyes, it may affect the health of ears. You should protect both carefully. You should keep the good habit of using eyes and have the good diet every day to add the necessary nutrition. That is the most important one for you.