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2. Laser blended vision - Wikipedia

   en.wikipedia.org/wiki/Laser_blended_vision

   Laser blended vision is a laser eye treatment which is used to treat presbyopia (ageing eyes; [1] progressive loss of the ability to focus on nearby objects) or other age-related eye conditions. [1] It can be used to help people that simply need reading glasses, and also those who have started to need bifocal or varifocal spectacle correction ...

3. Refractive surgery - Wikipedia

   en.wikipedia.org/wiki/Refractive_surgery

   myopia, hyperopia, astigmatism, presbyopia. [edit on Wikidata] Refractive surgery is an optional eye surgery used to improve the refractive state of the eye and decrease or eliminate dependency on glasses or contact lenses. This can include various methods of surgical remodeling of the cornea (keratomileusis), lens implantation or lens replacement.

4. Presbyopia - Wikipedia

   en.wikipedia.org/wiki/Presbyopia

   Presbyopia is a typical part of the aging process. [4] It occurs due to age related changes in the lens (decreased elasticity and increased hardness) and ciliary muscle (decreased strength and ability to move the lens), causing the eye to focus right behind rather than on the retina when looking at close objects. [4]

5. Corrective lens - Wikipedia

   en.wikipedia.org/wiki/Corrective_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.

6. Phakic intraocular lens - Wikipedia

   en.wikipedia.org/wiki/Phakic_intraocular_lens

   The lens is visible in front of the iris; the pupil is still small due to presurgery eyedrops. A phakic intraocular lens (PIOL) is an intraocular lens that is implanted surgically into the eye to correct refractive errors without removing the natural lens (also known as "phakos", hence the term). Intraocular lenses that are implanted into eyes ...

7. Intraocular lens - Wikipedia

   en.wikipedia.org/wiki/Intraocular_lens

   Intraocular lens. An intraocular lens (IOL) is a lens implanted in the eye usually as part of a treatment for cataracts or for correcting other vision problems such as short sightedness and long sightedness; a form of refractive surgery. If the natural lens is left in the eye, the IOL is known as phakic, otherwise it is a pseudophakic lens (or ...