ANSWER:

There’s nothing specific in this regard.

When you recite the morning and evening adhkar, you will find a dua for aafia in your body, sight and hearing.

You can do ruqya. 

https://www.assimalhakeem.net/what-is-ruqyah-and-how-one-should-do-it/

I have a problem with an eye floater in one of my eyes. Is there a specific dua for the eyes that could help with this?