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Contact lenses have been in existence since the 1930s, but for many of those years they were heavy, hard, uncomfortable and only corrected limited range of refractive errors. Today's contact lenses come in a broad spectrum of types, materials and usage options -- such a broad spectrum, in fact, that it can be hard to know where to start with these corrective lenses. But whether your searching for your very first pair of contact lenses or you know exactly what works for your eyes and your lifestyle, you'll find your solution right here at University Vision Centre.
Corrective lenses of various sorts of generally prescribed to compensate for refractive errors that cause incoming light to come into focus at the wrong point inside the eye. If the cornea or eyeball are elongated instead of spherical, you have myopia or nearsightedness; if they're foreshortened, you end up with hyperopia or farsightedness. Astigmatism is a visual distortion caused by irregular corneal contours. Presbyopia actually occurs in the middle-aged lens due to a progressive loss of focusing ability.
All of these conditions can easily be corrected by altering the refraction of light artificially through corrective lenses. But if your active lifestyle or sense of style doesn't agree with eyeglasses, then contact lenses can correct your refractive error by intercepting incoming light right at the cornea.
Contact lenses take many forms in this modern age of optometry, and the type you select may depend on your personal preferences, lifestyle considerations, eye health and specific refractive error. Options include:
Soft contacts vs rigid gas permeable contacts - Soft contacts may be more comfortable and easier to get sued to for some, and they come in disposable models that never have to be cleaned or maintained. RGP contacts are specially designed to allow oxygen to pass through to the eye, permitting safe all-day wear; they can handle complex or severe refractive errors better than soft contacts can.
Duration of use - Single-wear disposable lenses can be great for very active people, while extended-wear lenses are a wide choice for people who don't want to be removing or replacing their contacts all the time.
Eye health/refractive error issues - Dry eyes require hydrogel lenses that help the eyes retain as much moisture as possible. Presbyopia calls for multifocal lenses that give you distance vision, intermediate vision and near vision correction. If you have a deformation of the corneas called keratoconus, you may need to wear scleral contacts. These contacts are oversized so they can sit on the white of the eye instead of the cornea.
University Vision Centre has many leading brands and product lines of contacts to choose from, including the Acuvue, Air Optix, Synergeyes, KeraSoft IC and Bausch+Lomb PureVision series. Call 915-533-1811 to schedule a contact lens exam or find out more about our contact lens offerings!
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University Vision Centre not only gives the most comprehensive examination we have ever seen, they are friendly, knowledgeable, understanding, and professional.