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2. Refractive surgery - Wikipedia

   en.wikipedia.org/wiki/Refractive_surgery

   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.

3. Radial keratotomy - Wikipedia

   en.wikipedia.org/wiki/Radial_keratotomy

   Radial keratotomy (RK) is a refractive surgical procedure to correct myopia (nearsightedness). It was developed in 1974 by Svyatoslav Fyodorov, a Russian ophthalmologist. It has been largely supplanted by newer, more accurate operations, such as photorefractive keratectomy, LASIK, Epi-LASIK and the phakic intraocular lens. [1]

4. Optics and vision - Wikipedia

   en.wikipedia.org/wiki/Optics_and_vision

   A corrective lens is a lens worn in front of the eye, mainly used to treat myopia, hyperopia, astigmatism, and presbyopia. The goal is to bring vision up to 20/20 vision or as close to this as possible. Glasses or "spectacles" are corrective lenses worn on the face a short distance in front of the eye.

5. Corrective lens - Wikipedia

   en.wikipedia.org/wiki/Corrective_lens

   The prescription consists of all the specifications necessary to make the lens. Prescriptions typically include the power specifications of each lens (for each eye). Strengths are generally prescribed in quarter-diopter steps (0.25 D), because most people cannot generally distinguish between smaller increments (e.g., eighth-diopter steps / 0. ...

6. Kids are becoming nearsighted by screens. Annual school eye ...

   www.aol.com/kids-becoming-nearsighted-screens...

   Researchers state that "in recent years, the prevalence and severity of myopia have been on the rise, and it is estimated that by 2050 there will be 4.76 billion people with myopia and 0.94 ...

7. Eye surgery - Wikipedia

   en.wikipedia.org/wiki/Eye_surgery

   Lasers may be used to treat nonrefractive conditions (e.g. to seal a retinal tear). [3] Laser eye surgery or laser corneal surgery is a medical procedure that uses a laser to reshape the surface of the eye to correct myopia (short-sightedness), hypermetropia (long-sightedness), and astigmatism (uneven curvature of the eye's surface ...

8. Subjective refraction - Wikipedia

   en.wikipedia.org/wiki/Subjective_refraction

   Step 5: Spherical lens power is altered and refined, if required. The entire process of Subjective Refraction involves the patient fixating at the Snellen Chart, whilst the clinician presents a variety of lenses and alters the power of the lenses in the trial frames according to the patient's subjective responses regarding improvements to their ...

9. Baltimore Orioles reach $49.5M, 3-year deal with OF Tyler O ...

   www.aol.com/baltimore-orioles-reach-49-5m...

   The Baltimore Orioles have agreed to a $49.5 million, three-year contract with outfielder Tyler O'Neill, according to a person familiar with the negotiations. O'Neill is set to make $16.5 million ...