Lets say you have a driver who complains of not being able to see road signs 5-10 meters away， but can clearly see what is immediatelyahead of them. Ten to one， they suffer from myopia， a common refractive disorder that you all probably know as near-sightedness. Withmyopia， far-away images tend to be blurry and out of focus. Headaches and eye strain caused by squinting are common discomforts for thosewith this disorder.Lets take another hypothetical driver ... and this driver has the opposite problem. He can see the road ahead of him clearly， but he has tosquint to see the speedometer thats right in front of his face. In this case our driver suffers from hyperopia， or far-sightedness. Uh， thesymptoms are pretty similar to those of myopia， headaches， eye strain ...
Uh， but this time， these discomforts are caused by squinting to seenearby objects， rather than ones far away.So， you see， class， having good eyesight is essential to being able to function properly in the everyday world. Without perfect or goodeyesight， we wont be able to clearly see objects within or beYOnd our peripheral vision. However， corrective surgery and prescription eyewearhave become available to people suffering from such conditions.Sample Response IAccording to the reading， the most common condition among various vision problems is refractive disorders which occur when the shape of theeye is not a perfect sphere and cant bend light properly. The professor discusses drivers who suffer from myopia and drivers who suffer fromhyperopia to illustrate refractive disorders. The professor says that the drivers who suffer from myopia， also known as near-sightednessexperience headaches and eye strain when looking at far-away images. Also， the drivers who suffer from hyperopia， also known as far-sightedness， experience similar discomforts when looking at nearby objects. The professor emphasizes the importance of having good eyesight.However， she also mentioned that these refractive disorders can be treated through corrective surgery and prescription eyewear.
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