Posts Tagged ‘myopia’
As LASIK eye surgeries are received by many nearsighted patients, people tend to think that such surgeries are just for people with myopia. But the fact is that LASIK surgery is suitable for any people who wear glasses. That means far-sighted people can also receive LASIK surgery.
Before that, it is very essential to know some concepts. Of which, farsightedness comes first. Many people can not tell nearsightedness and farsightedness from each other, though most of them are glasses wearers. In fact, just as their names imply, the two words vary in term of visual distance.
If you can only see objects that are very near to you, you might be nearsighted. Contrarily, if you can only see objects that are very far from you, you might be farsighted. Technologically, LASIK surgery can be employed on people with any one of the two abovementioned conditions. But this surgery is not very suitable for some very few farsighted people.
Obviously, farsightedness surgery involved with LASIK is relatively complicated. The renewal of technologies has assured that lasers can be employed on eyes of various conditions. The deformed cornea will be standardized by lasers into normal shape. The moment you finished the surgery, you can open your eyes and see objects around you clearly as common people do. This might be a good answer to deplete people’s doubt -whether LASIK surgery can be used for farsighted people. If you are now farsighted, just go and receive LASIK surgery and it can assure you a bright world of happiness.
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Article Source:http://www.articlesbase.com/vision-articles/lasik-eye-surgery-can-also-be-used-for-farsightedness-1648503.html
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The functions of glasses are not limited to only rectify myopia, but also include the function of pleasing people’s eyes. Therefore, wearing a pair of glasses that suits your facial form will greatly help show your characters and make you out-standing.
Several kinds of spectacle frames can suit oval faces. Oval faces are suitable for almost all kinds of frames. But the size of the frame should be proportionate to the size of the face. Especially for women wearers who have oval faces, they can choose any style of frame, but better not frames with straight lines or frames which are to tall or too oblate.
People with round faces usually have a much shorter face. Considering this, they had better wear slender frames with a little curved shape to harmony the whole feeling. Frames with angles or squares are good for adorn facial streaks and stress the ordinate.
For men, it is better to choose oblate or pear-shaped frames instead of ones which are too round or too square. For women, in principle they should avoid any frames that have too obvious features. Frames that are more oblate are proper. Too round or too straight frames should be avoided either.
People with square faces usually have much broader cheeks and shorter faces, thus looking firm. Frames with a little curved shape can make their faces look softer and ease the too broad cheeks. What’s more, the frames should be broader than their faces. Therefore, the faces can look much more slender.
Due to that their faces are long; the frames for people with long faces should cover as much of the face as possible and thick lines are preferred. For men, frames with higher degrees are preferred such as high frames like square ones. For women, to ease the too long faces, frames should have angles like squares and the les rings can be higher.
Otherwise, glasses are very sensitive with aesthetic defects of facial details. Usually, the top of frames should parallel with the eyebrows and their height should be equal or close. If someone has a too tall and straight nose, frames with lower bottoms or double lines are better suitable for them.
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Article Source:http://www.articlesbase.com/vision-articles/choosing-suitable-frames-1643734.html
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Shortsightedness often develops rapidly in school-aged children and becomes worse during their teenage years. A person who has developed shortsightedness may experience blurred vision, headaches, eyestrain or frequent squinting. Uncorrected shortsightedness may cause a person to feel fatigued after driving, watching television, or playing sports.
Nowadays, the rate of shortsightedness among people grows rapidly. Some oculists suggest that if people are close to being shortsighted, they should choose suitable glasses as soon as possible. Or, it will become worse. And here are some causes of shortsightedness.
Genetics always plays a part in shortsightedness development. Shortsightedness has a hereditary tendency, that is to say, if both parents are myopic, there would be higher tendency for children to be myopic, especially for high shortsighted.
Nutrition is important and necessary, especially during babies’ growth age. Mother’s breast milk happens to be rich in DHA, which is why it’s known as the best food for babies. However, with our hectic city lifestyle, many mothers do not have the luxury of breastfeeding. Hence they have no choice but to relay on formulas milk, which typically do not have as much antibodies or nutrients as human milk. This speculation may be a reason why children are more susceptible to myopia.
Our modern lifestyle is a major cause on myopia. Nowadays, students read a lot of books both in school and at home. However, many of them do not pay attention to their eyes protection. They ignore the rule of keeping their eyes in a certain distance while reading and writing; besides, they do not have a rest after reading for a long time, which is unhealthy for their eyesight and can easily cause shortsightedness.
Another inevitable cause for shortsightedness is environmental pollution. It is because cornea is breathability that it exchanges air with air outside all the while, and 80% of the oxygen it needs for metabolism if from air. If air is polluted seriously, the poisonous substances in the air will enter the cornea, which, after a long time, will have a bad effect on eyesight and cause shortsightedness surely.
From above we can see that most causes of myopia are changeable if people themselves have the awareness to protect their eyesight. And this action should be taken as soon as possible.
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Article Source:http://www.articlesbase.com/vision-articles/causes-of-shortsightedness-1635553.html