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Presbyopia can be corrected using glasses, contact lenses, multifocal intraocular lenses, or LASIK (PresbyLASIK) surgery. The most common treatment is glass correction using appropriate convex lens. Glasses used to correct presbyopia may be simple reading glasses, bifocals, trifocals, or progressive lens.
A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.
Refractive error - sometimes called "ametropia" - is when the refractive power of an eye does not match the length of the eye, so the image is focused away from the central retina, instead of directly on it. [12] [13] Types of refractive error include myopia, hyperopia, presbyopia, and astigmatism.
It then becomes more common again after the age of 40, known as presbyopia, affecting about half of people. The best treatment option to correct hypermetropia due to aphakia is IOL implantation. Other common types of refractive errors are near-sightedness, astigmatism, and presbyopia.
Laser-Assisted in Situ Keratomileusis (LASIK), commonly referred to as laser eye surgery or laser vision correction, is a type of refractive surgery for the correction of myopia, hyperopia, and an actual cure for astigmatism, since it is in the cornea.
Progressive lenses are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation. They are characterised by a gradient of increasing lens power, added to the wearer's correction for the other refractive errors.
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