Contact Lens: Convenient and Smart Option for Vision Correction
Contact lenses are used primarily to neutralize the refractive errors.These are medical devicesthat are used for correctingvision problems such as myopia, glaucoma, astigmatism and cataract. These lenses are seen as a convenient option for vision correction rather than costly laser procedures (such as LASIK, LASEK, etc.). Presently, most contact lenses are incorporated with silicon hydrogel material that offers more oxygen permeability over traditional hydrogel lenses. Mainly,contact lenses are divided into two types, namely, gas permeable and soft contact lenses.
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