Oily fish are fish that have oil in their gut and body tissue, so eating them offers higher levels of omega-3-rich fish oil. The fish that contains the most beneficial levels of omega-3s include: Tuna, salmon, trout, mackerel, sardines, anchovies, herring and etc. Studies show that eating foods rich in omega-3s can help protect tiny blood vessels in the eyes. For a tasty and nutritional treat, serve a delicious spinach salad on the side!
Some studies have found that fish oil can reverse dry eye, including dry eye caused by spending too much time on a computer.