Orthokeratology: A Non-Surgical Solution for Myopia and Astigmatism

Orthokeratology, also known as Ortho-K, is a non-surgical vision correction method that uses specially designed gas-permeable contact lenses to temporarily reshape the cornea. These lenses are worn overnight, allowing the cornea to assume a flatter shape, which helps to improve vision during the day. The lenses are removed in the morning, and the corrected vision typically lasts for the entire day or until the lenses are worn again at night.

The process of Orthokeratology works by gently applying pressure to the central cornea, which causes it to flatten and change shape. This change in shape alters the way light is focused on the retina, thereby correcting refractive errors such as myopia (nearsightedness) and astigmatism. Over time, with consistent use of Ortho-K lenses, the cornea maintains its reshaped form for longer periods, allowing for clearer vision without the need for daytime contact lenses or glasses.

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