Firmoo Answer has many questions related to eye health. And there are many good suggestions to maintain good eye health. You can input "eye health" in the input box and then there will be many questions on the list. You can find what you want to know immediately. Hope this helped!
If I want to know something about eyes, I will open All about Vision. It is a good website that provides customers with many aspects about eyes and most of them are in detailed information. They are useful. I strongly recommend you to look for information on that website.
Do you know Wikipedia? There are lots of information on this website. It can provide all kinds of information that related to all fields of our life. I suggest you to have a look on it. Google can guide us to find some useful information online too. If you really don't know how to search on the internet, I suggest you to go to a book shop. There are many books about eye health. You just need to choose one of them and then you can have a good understanding of eye health. But if you want to know more, you can buy all kinds of books that talk about eye health. I often read books in our library becasue I don't want to buy books.