Cover test to check eye alignment. During a cover test, your eye doctor will have you focus on a small object across the room and then he or she will cover each of your eyes alternately while you stare at the target.
They are mostly found in plant foods, such as nuts and oil. They include unsaturated fats -- monounsaturated and polyunsaturated -- and omega-3 and omega-6 fatty acids. Omega-3 fatty acids, which are found in fish, walnuts, and flaxseed oil, are thought to reduce the risk of heart disease. For this reason, three servings of fish a week are recommended. Types of Healthy Fats. 1  Monounsaturated fat is in olive and canola oil, avocados, nuts, and all-natural peanut butter.
Omega-6 fatty acids are also polyunsaturated and some studies have shown that including omega-6s in your diet can help to reduce your risk of cardiovascular disease. Omega-3 fatty acids are found in some cold-water fatty seafood, flaxseed oil, canola oil and walnuts. Foods that Contain Polyunsaturated Fat. All foods with fats in them contain varying amounts of polyunsaturated, monounsaturated and saturated fats. Some of the more beneficial types of fats are Polyunsaturated Fats (PUFAs).