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.
Healthy Fat. Both oat bran and flax contain healthy unsaturated fatty acids, a type of fat that reduces the amount of harmful cholesterol in your bloodstream. Flax, but not oat bran, also provides you with omega-3 fatty acids, a specialized type of unsaturated fat that you need to get from your diet. Omega-3 fatty acids fight excess inflammation in your body, support healthy vision and nervous system function, and make up a part of your cell membranes.