TAILIEUCHUNG - Mastering skills for the toefl ibt advanced part 117

Tham khảo tài liệu 'mastering skills for the toefl ibt advanced part 117', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Writing Transcripts Chapter 1 01 Medical Science M Now the book also addressed laser vision correction surgery right Let s talk about this part because well I don t feel that the book was entirely accurate in this area. So I want to correct some misunderstandings you may have about laser vision correction surgery. First off I ve got good news for anyone who wants to undergo laser vision correction surgery. In general the cost for the procedure is decreasing. One expert that I know said that laser vision correction surgery on average has decreased by thirty percent in recent years. The procedure is still going to cost some money but not nearly as much as it used to. This is because of two factors. First the costs for basic equipment are lowering because technology is becoming more available. Also there are more laser eye surgeons out there so the competition is rising. Now doctors are being forced tb compete in order to get patients and more Competition almost inevitably results in lower prices. The book also made it sound like there were all of these post-operative issues and problems right Now this was just ridiculous. There are only a few known cases where someone s cornea became you know detached and guess what they were doing Really extreme stuff for instance one guy was climbing Mt. Everest when his cornea became detached apparently the high altitude created a pressure difference or something. Oh and as for the healing time well you can t tell how someone is going to heal but still average healing time really isn t that long two or three days at most. The post-operative concerns really aren t greater than any other surgical procedure. Finally the book s last point was the length of time that the corrective procedure was effective for. It s extremely uncommon for people to have to go back in just months or even years after their surgery. In fact we have a number of cases where the corrective procedure has lasted over twenty years so it s not really fair for the

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