They are mainly used to correct vision, although they can also be used for those who have just had cataracts, especially if the natural lens around was removed. Contacts can also be used in the treatment of various eye diseases, and scars on the cornea that have been caused by infections or injury. Contact lenses are a great choice for those who have active lifestyles, such as athletes. The color of the contact shines through, making it appear that your eyes are indeed the exact same color as your contacts. Colored contacts work the same as other types of contacts. You simply use your prescription for contacts and select the color you want. If you are ordering them online, you ll find hundreds and hundreds of different colors and images. This is very common, although switching to a different contact lens solution will more than likely stop the burning or irritation. Throughout the day, you may need to use rewetting drops or saline solution to keep moisture in your eyes. Sometimes, contacts can dry your eyes out, and make them feel very uncomfortable. Over the years contact lenses have established themselves, and are now used by more than a million people throughout the United States. Although contact lenses are great to wear if you need vision corrections, there are some things you should know. Before you put your contact lenses in your eyes, you should always inspect them for tears or defects. Once you clean them they should last you for a long time before they need to be cleaned again. One of the best attributes to extended wear contact lenses is the fact that they are very comfortable. They are easy to put in your eyes, and most people don t even notice that they are wearing any contact lenses at all. The soaking solution will keep your contacts fresh, and clean the protein off of them that can build up from wear. Hard contact lenses will last you for a long time, providing you take care of them. Most contact lenses will last you longer than soft lenses, without needing to be replaced for months at a time.