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Presbyopia can be corrected with glasses or contact lenses. In some cases, the addition of bifocals to an existing lens prescription is enough. As the ability to focus up close worsens, the prescription needs to be changed.
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Presbyopia cannot be cured, but individuals can compensate for it by wearing reading, bifocal, or trifocal eyeglasses. A convex lens is used to make up for the lost automatic focusing power of the eye. Half-glasses can be worn, which leave the top...
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Presbyopia cannot be cured, but physicians can help patients compensate for it by prescribing reading, bifocal, or trifocal eyeglasses. A convex lens is used to make up for the lost automatic focusing power of the eye. Half-glasses can be worn, wh...
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LASIK is eye surgery that permanently changes the shape of the cornea (the clear covering on the front of the eye) in order to improve vision and reduce a person's dependency on glasses or contact lenses. See also: Corneal surgery
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Photorefractive keratectomy (PRK) is a noninvasive refractive surgery in which the surgeon uses an excimer laser to reshape the cornea of the eye by removing the epithelium, the gel-like outer layer of the cornea.
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Laser in-situ keratomileusis (LASIK) is a non-reversible refractive procedure performed by ophthalmologists to correct myopia, hyperopia, or astigmatism. The surgeon uses an excimer laser to cut or reshape the cornea so that light will focus prope...
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Photorefractive keratectomy (PRK) and laser-assisted in-situ keratomileusis (LASIK) are two similar surgical techniques that use an excimer laser to correct nearsightedness ( myopia ) by reshaping the cornea. The cornea is the clear outer structur...
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