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The Different Types ff Contact LensesContact lenses may be great for your eyes, but not all lenses are created equal.
Contact lenses may be great for your eyes, but not all lenses are created equal. While your doctor can help you choose the right pair for your eyes, it also helps to learn a bit more information on the contacts available on the market today. Contact lenses can be classified according to their material, wearing schedule, purpose, and over transparency. Soft and Hard Contact Lenses Contacts can be categorized by their material, which is divided into two main groups: soft and rigid (hard). With soft lenses, they can be further classified by the amount of water they contain, and are not gas permeable. Soft lenses can also have either a low moisture content or high moisture content, with low meaning less than 50 percent moisture, while high is more than 50 percent. In contrast, rigid contacts have much more harder material and are totally gas permeable. How Long Should Soft and Hard Contact Lenses be Worn? For soft contact lenses, a replacement schedule should be strictly followed, since they can't be worn for long periods of time, with some needing to be replaced on a monthly, biweekly, or even daily basis. In contrast, hard contact lenses can last for months and even years before they have to be replaced. There are also more advanced contact lenses like Day and Night contacts, and as their name implies, allow you to wear them all day and all night. However, you still need to clean them regularly to prevent protein buildup, just like any other contacts. Various Contact Lens Designs Three kinds of contact lens designs are known--toric, spherical, and multi-focal, with all three designs used for specific vision problems. Toric lenses are used for astigmatism, spherical lenses are used for short sightedness and long sightedness correction, while multi-focal contact lenses are used for presbyopia. Remember to ask your optician about these lenses first before you decide to purchase them. Contact Lenses for Different Purposes With regards to purpose, contact lenses can be optical, therapeutic, cosmetic or decorative. Most lenses are commonly used for optical purposes, meaning that they correct eyesight and other vision anomalies you may have. Soft contacts that serve as protection for your cornea are also known as therapeutic lenses. These types of lenses are likewise used to treat various cornea diseases by acting as a reservoir for certain medicines. Cosmetic contact lenses are specifically intended to change your eye color, with most types meant to enhance the way your eyes look. As for decorative contact lenses, they're just color contacts that generate various effects for your eyes, like giving them rainbow colors, or making them look like cat's eyes, and more. The Right Type of Contact Lenses for You While contact lenses provide vision correction and even protection for your eyes, it's best to know more about them in order to get the right pair. With all the different types of lenses currently on the market, it's recommended that you consult your optician to help you choose wisely. For example, you shouldn't get toric lenses if you don't have astigmatism. So try to be well-informed where contacts are concerned, otherwise you might end up doing your eyes more harm than good. Pay close attention to your optician during your contact lens fitting exam, as he will offer his recommendations and also go over the proper way to care for your contacts. In doing so, you'll know exactly what you should and shouldn't do, even though you are just starting out to wear contacts. Making a careful decision in buying the right contacts makes a world of difference, as you'll end up with the best lenses meant for your vision.
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