Toric lenses are meant to relieve refraction error. Toric lenses are intended to help against astigmatism since they are shrewd in different ways on different areas of the lens. The lens is developed this way to make light break in a specific ways. Toric lenses are slightly more expensive than normal lenses, since the cost of manufacturing the lens is higher. This is a well placed investment for you who likes for example to do sports or swim and can't use glasses. Normal symptoms of astigmatism are mild headaches, tired eyes and squinting.