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. GP (Gas Permeable) contacts are made from a combination of fluorine and silicone, meaning that they won t attract protein near as much as other types of contacts. If you have had a problem with protein on your lenses in the past, GP contacts will pretty much eliminate that problem. Keep in mind, you ll still need to clean your GP lenses, in order to keep them free of protein, debris, and to keep them comfortable when you wear them. Before you put the contact lenses into your eyes, you should always rinse them with another produce first. 5. Cleaning and disinfecting As the names imply, this is for both disinfecting and cleaning your contacts. Cleaning is normally achieved by either ultrasonic waves or agitation, where the disinfecting is done by multipurpose solution or UV light. Colors add flair and personality to contact lenses, giving people the chance to be different. When you add color to your lenses - you are telling the world that you are different. No matter what color you are interested in, you can find colored lenses that match your preference. There are hundreds of different styles available, from kids to adults. Normally, your optician will give you a trial pair of contact lenses to try out, and then check them for fit once they have settled in your eyes. Sometimes, you may need to try out several different pairs before you find the perfect fit. The lens you choose should give you better vision, fit comfortably in your eye, and not do any damage to the cornea. Glasses are also known to fog up frequently, and they are very distracting during any kind of sports you play. Contacts however, don t fog up. You can carry out any activity you choose without having to worry about them all. They won t fall off or slide down your nose when you run, nor will they limit what you can do when you play sports.