Wednesday, 20 May 2009

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PRK photorefractive keratectomy It's hard to believe these days, when everything is "LASIK (laser), which PRK (photorefractive keratectomy by its initials in English) used to be the refractive surgery procedures and more common with 95 effectiveness. Although both procedures are grouped under the umbrella of "laser eye surgery," each one is slightly different advantages and disadvantages when it refers. With LASIK surgery patients have less discomfort and obtain good vision faster (PRK with the improvement is gradual and can be in a few days or even months), but it is important to note that many surgeons prefer PRK for patients with thin corneas. PRK The technique was invented at the beginning of the decade of the'80s. In 1995 was approved by the FDA as safe laser technique for correction of problems of myopia, hyperopia and astigmatism, but the procedure is practiced in other countries for years. In fact, many Americans were performed before surgery in Canada would be available in the United States. PRK is performed with an excimer laser, which uses a cool beam of ultraviolet light to precisely remove (the "ablation") very tiny bits of tissue from the surface of the cornea in order to reorganize and get a clear vision without glasses or lenses Contact. To reshape the cornea in the right way, works to focus light into the eye and the retina, providing clearer vision than before. Persons with myopia, hyperopia and astigmatism can benefit from PRK. In patients with myopia, the goal is to flatten the cornea too steep, also, the excimer laser can correct astigmatism by smoothing an irregular cornea of normal form. Before surgery If you are considering PRK, the first step is to choose a surgeon of recognized standing and active member of any College of Surgeons in your country. Your doctor will do a...
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cat "born" and "dead" and gender equality I wonder whether it would be desirable to find names for the categories that include the two genders, male and female, by a criterion of equality between men and women ... for example, up, move to births and deaths have you think that 'No if you are in the manual of style that evokes preocupacion.Saludos - SanchoPanzaXXI Your message to the island of Barataria 16:08 2 November 2007 (CET) Gender in the categories is indistinct. I do not see a need for such relocation. But maybe you have another perception. 'Or Dark 16:30 2 November 2007 (CET) I only know the word "sex", no "genre" (at least in Spanish, in English is another matter), if you are referring to biological traits, and no genre andalusia Linguistic. Moreover, are we "born" and "dead" does not include two sexes' Why is the plural as exclusively male ''''''''' (talk) 16:42 2 November 2007 (CET ) PS: And that I am a woman, but I think it has not prevail rioja "politically natural gas correct" on the "Linguistic correctness". Rioja Linguistic correct it is macho, or at least it seems. : P not worry if the category is changed to 'People born / died in' or 'Births / Deaths', and everybody so happy. energy And I am a woman (Is that more or less gives value to my argument 'I think not Bea jiji). ) Saludetes Raystorm (Yes') 16:54 2 November 2007 (CET) It is not that more or less value to your argument, it is assumed that gas such changes are made to feel that we are not offended. Indeed, our language is one of the least macho of the world, because their sex-specific vocabulary (remember that the vast majority of English adjectives no difference between male and female, even nouns that indicate...