填空题
Thanks to modern technologies, we now have the solutions to most eyesight problems. Doctor can use different (26) —PRK, Lasik, Lasek and Intraocular lenses—to solve all types of eyesight problems while limiting the side effects. Most eye (27) are about as safe and effective as surgery can be. However, for an Industry that promises (28) , many centers have kept their patients in the dark about (29) . Government are of no help either as there are no (30) on who can buy medical instruments. But most hospitals insist that doctors have some form of (31) before performing eye surgery.
Despite a good record of the surgery, thousands of people around the world get an eye operation that goes wrong. A consumer advocate website posts a series of unhappy endings— (32) corneas (角膜), and permanently damaged eyesight. The message boards are full of people who came out of Lasik with far better vision but still in misery, (33) poor night vision, dry eyes and worse. So it’s vital to research the subject before taking surgery. If you believe all the ads, after eye surgery, you’ll be able to read the bottom line of an eye chart through a brick wall. If only it were true. You may not (34) a vision as good as is promised. Besides, you might be a poor candidate. Eye surgery isn’t fit for people with certain severe vision problems or an eye disease. The same goes for children under 18 and pregnant women, whose eyes may be undergoing changes. So don’t be shocked if a doctor (35) your eyes and shows you the door. Finally, be prepared for side effect.