Even though some people may experience discomfort with them, the majority of those who wear them find them to be very comfortable. When compared to other types of contact lenses, extended wear lenses are very safe. If you take the necessary time to take care of them as you should, they won t harm your eyes in any way. Materials Contacts can be separated or best determined by their material. Contacts are divided into two main groups - soft and rigid (hard). Soft lenses are gas permeable to a certain extent, being further categorized by the amount of water they contain. Soft contacts can have either a low, which is less than 50 percent moisture, or a high moisture content, which is more than 50 percent. After you have worn your GP lenses during the day, you should always clean, rinse, and dry them out once you take them out for the night. When you clean them, you should always use the right solution, instead of water. If you soak them in water it could damage the material, which could in turn damage your eyes. Colored lenses work exactly the same as traditional contacts, and won t damage your eyes as long as you clean them and take care of them. If you clean them like you should and soak them in solution for a few hours when you take them out, you shouldn t have anything to worry about. Each and every colored contact has the color or design coded on the contact itself. Don t close your eye immediately, rather leave it open a few seconds to let the contact settle. After a few seconds, close your eye and your contact should be perfectly in place. If it feels uncomfortable, take it out and try again. It may take you a few tries, although the more you put them in the better you ll get at it. The lens and focus is the same as glass, meaning that you will get the same vision from contacts as you would with a pair of glasses. A lot of people who have vision problems consider getting Lasik eye surgery to fix their vision problems so that they won t have to wear glasses or contacts. On the flip side, there are several risks and problems associated with this procedure, besides the fact that it is very expensive.