Fruits that are high in antioxidants and vitamins play a key role in the health of your eyes, for example, vitamin A protects against blindness, and vitamin C may play a role in preventing or alleviating glaucoma. These fruits include bilberries,cherries,blueberries,oranges.It's best to obtain most nutrients through a healthy diet, including at least two servings of fish per week and plenty of colorful fruits and vegetables.
I can not make sure how many fruits are good for eye vision. However,the grape and kiwi fruits are good for eye sight and I love these kind of fruits very much. I have a good vision 20/20. You can have a try.