Pineapple is a very good source of vitamin C, and vitamin C is one type of antioxidants that are used to prevent oxidation in human body including our eyes.Pineapple is not a kind special food, but data reported in a study in the Archives of Ophthalmology indicates eating 3+ servings of fruit per day, such as pineapple, may lower risk of age-related macular degeneration, the primary cause of vision loss in older adults, by 36%. So eat fruits, especially pineapple good for the health of our body, including eyes health.