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If you could wake up one morning and find that your nearsightedness or other refractive error has faded away, you might think it was magic. If a pair of contact lenses could keep your child from developing severe myopia, you might call it a miracle. But amazingly enough, these outcomes are for real, thanks to a therapeutic technique called ortho-k (short for orthokeratology.) Special contact lenses can provide temporary daytime vision correction for adults while providing children with better vision for life. Here at Golden Vision, we're proud to offer ortho-k to Milpitas and Cupertino residents.
Orthokeratology is a means of altering the contours of the cornea, the clear "window" at the front of the eye that receives incoming light. When light enters an eye that isn't shaped quite normally, the resulting image will have focus problems. In myopia, for instance, an elongated eye causes blurry distance vision, while in hyperopia, a foreshortened eye causes blurry near vision.
Glasses and contacts can correct the refraction before the light enters the eye, but many people find it annoying or inconvenient to wear these lenses every day. Ortho-K contact lenses are typically worn at night, while you sleep. These specialized lenses actually re-mold the corneas to correct for your particular refractive error. Wake up in the morning, remove the lenses, and your vision is clear.
Ortho-K can provide vision correction for myopia as well as (to a lesser extent) hyperopia, presbyopia and astigmatism. The effect may last anywhere from one day to several days, but you can always schedule your bedtime Ortho-K routine to keep the correction going.
Myopia affects up to 40 percent of the population, including 60 percent of U.S. college graduates. The elongation of the eyeball that produces this refractive error can also make sufferers more vulnerable to retinal detachment and other complications. Most of the eye's elongation occurs during childhood and young adulthood, meaning that this is the key period in which to try and control its progression. Orthokeratology has proven its effectiveness at doing just that. A Hong Kong study found that ortho-K slowed the advance of myopia in children. An Ohio State study saw a 60-percent reduction in the elongation of the eye.
Orthokeratology isn't necessarily an ideal choice for everybody. Our Milpitas and Cupertino optometry experts can evaluate your eyes and tell you whether this treatment method makes sense for you. We can also provide a a few different orthokeratology options. In addition to the corneal refractive therapy (CRT) that corrects different types of refractive errors, we offer two highly advanced Gold Series Myopia Control Lenses. The Nightwear version of this product is worn only at night, while the Daywear version applies gentler pressure and can be worn up for to 18 hours. Call either office today for details and to schedule a consultation!
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