Astigmatism - Causes. Causes of astigmatism. The vision problems caused by astigmatism are a result of defects within the eye. These defects are usually present from birth. How the eye works. The eye is made up of three functional components. Astigmatism usually occurs as a result of problems with the cornea or lens.
Other Health Benefits of Celery. Though celery is an excellent anti-cancer food, its numerous health benefits make it a perfect choice for your healthy diet. The celery plant is naturally rich in vitamins and minerals such as: A, C, K, folate, molybdenum, potassium, fiber, and other healthy components.
Most people eat celery stalks, either raw, boiled or baked. One serving of celery contains 18 calories, 2 grams of fiber and 1 gram of protein. It is fat-free and low in sodium. It meets 40 percent of the U.S. Recommended Daily Allowance of vitamin K and 10 percent of vitamin A and folate.