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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. 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.

4. 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 ...

5. Svyatoslav Fyodorov - Wikipedia

   en.wikipedia.org/wiki/Svyatoslav_Fyodorov

   In the 1970s he developed the surgical technique he is most famous for, the radial keratotomy, to change the shape of the cornea and cure myopia. [2] In 1986, Fyodorov designed the first posterior chamber phakic IOL in the "collar-button" or "mushroom" configuration and manufactured the pIOL from silicone. In 1980 he became the head of the ...

6. Corrective lens - Wikipedia

   en.wikipedia.org/wiki/Corrective_lens

   For extreme nearsightedness, the eyes appear small and sunken into the face, and the sides of the skull can be visible through the lens. This gives the wearer the appearance of having a very large or fat head in contrast with their eyes. For extreme farsightedness the eyes appear very large on the face, making the wearer's head seem too small.

7. Bates method - Wikipedia

   en.wikipedia.org/wiki/Bates_method

   The Bates method is an ineffective and potentially dangerous alternative therapy aimed at improving eyesight.Eye-care physician William Horatio Bates (1860–1931) held the erroneous belief that the extraocular muscles caused changes in focus and that "mental strain" caused abnormal action of these muscles; hence he believed that relieving such "strain" would cure defective vision.

8. Food poisoning is extremely common. But that doesn't ... - AOL

   www.aol.com/food-poisoning-extremely-common...

   Few things will put a damper on your vacation or holiday faster than food poisoning.The intense stomach pain, rushing to the toilet and feeling relegated to bed keeps just about everyone out of ...

9. 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 ...