Scleral lenses are an alternative to normal contact lenses. Generally, they are used for those who have irregular corneas because they help to create a synthetic, smooth cornea. An irregular
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Orthokeratology, also known as ortho-k, is the use of contact lenses that are usually worn overnight that reshape the cornea, or front layer, of the wearer’s eyes to correct vision.
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You can take all kinds of precautions to keep your hands clean, but it won’t do much good if your glasses are contaminated. Viruses and bacteria can jump onto a
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