Contact lenses vs. glasses
Making the move from glasses to contacts
Almost all nearsighted people can wear contact lenses, no matter how high their prescription and all contact lenses are extremely safe when prescribed and cared for properly. Eye glass prescriptions are usually higher than conttact lens prescriptions because they don't sit right on top of the eye, but rather perch on the bridge of the nose some small distance from it. This is called the vertex distance and the rule it follows is that the closer a lens sits to the eye; the less strength is needed to focus light on the retina. The distance from the eye to the corrective lens is very important in this regard and it follows that lens prescriptions would have to state different information than a regular eye glass prescription.
Today, the wide range of products, the different types and different functions that you can find in the field of contact lenses today are varied enough to suit anyone's needs. A contact lens prescription contains information not found in a prescription for eyeglasses, like brand, base curve and diameter. If you are considering switching to contact lenses, you must get an eye examination specific to contacts- just ask your eye care provider for a contact lens fitting. Advances in the materials and designs used to manufacture contact lenses have made it easier for doctors to choose the lens that will best fit your eye and your condition. If you are considering switching from glasses to lenses for the first time or merely checking out what's new in the world of contact lenses, you need to understand what to buy, how to maintain it and the other necessary steps to take. Before your exam, be sure to tell your eye care provider you will need a copy of your contact lens prescription.
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