Wouldn't it be great if you could correct your eyesight and reduce your dependence on glasses or contact lenses — without having to undergo eye surgery? It might sound far-fetched, but it's a reality for many people. It's called orthokeratology, or ortho-k.
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Orthokeratology (also referred to as Ortho-K, Overnight Vision Correction, Corneal Refractive Therapy and CRT), refers to the creation of gas permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia, hyperopia and astigmatism. This method can be used as an alternative to …
Mar 13, 2014 · CDC – Protect Your Eyes: Healthy and Safe Contact Lens Cleaning and Use. Millions of people use contact lenses every day but lens cleaning practices can lead to eye infections.
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Feb 29, 2016 · Contact lenses are thin, clear disks of plastic that float on the surface of the eye. They correct vision like eyeglasses do and are safe when used with care. C
Apr 23, 2018 · Correct your vision while you sleep! nightlens ortho-k contact lenses gently reshape the surface of your eye while you sleep, correcting your myopia (nearsightedness).