Contacts are used in the eye, where they will float above a sea of tears that rest in front of the cornea. You should always go to a doctor to be fitted, as the proper fitting and design is very important for safety, comfort, and the accurate vision. If you don t get fitted for your contacts, you could very well get a pair of contacts that could damage your eyes. All contact lenses can be separated depending on their wearing schedule, purpose, material, and over transparency. 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. 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. When it comes to fitting your contact lenses, your optometrist will measure the curvature of your eyes and other factors that will affect how your lenses will fit in your eyes. Some people are more prone to dryness in their eyes than others, meaning that the contacts you are prescribed shouldn t aggravate the dryness. When you take your contacts out at night, you ll normally put them in saline solution. Even though it is perfect for storing and rinsing your contacts, it should never be used to clean or disinfect them. 2. Daily cleaner solution Daily cleaner is used to clean your contacts. Simply place a few drops of the cleaner in the center of your hand and then rub the lens gently in the solution. The bad part is, most of us will need some type of corrective lenses, such as contact lenses or glasses and possibly even bifocals at some point in our lives as this condition gets worse. Up until recently, those who wore bifocals had very limited options when they chose their corrective lenses. Years ago, glasses that contained bifocal lenses were just about the only option available.