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.
1 Often the celery will come in a plastic bag. 2  Celery stored in this manner will last about 7 - 14 days. 3  It is also recommended to rinse, dry and remove any blemished or damaged leaves and stalks prior to storage. 4  Try wrapping the celery in aluminium foil. 5  Wash it to remove any dirt and other items.