Computer is regarded as the most influencing invention in the 21^st century, which is a great help to the world globalization. However, it also introduces some side effects, such as the radiation and serious bad eyesight problems. Even people with good eyesight are deemed to go into bad eyesight finally if sitting in front of computer for a long time, not to mention the people with bad eyesight before. So it is extremely necessary for you to notice the eyesight changes and know some eye cares.

Some tiny tips in your daily life will reveal your eye condition rightly and you can take measures by tools or not to overcome the difficulties.

If you are nearsighted already, you had better to sit far away from the computer than before while does not influence your clear vision. From then on, you may be likely to encounter the farsightedness to compensate the nearsightedness. The multi-focal eyeglasses or contacts, which are manufactured with blended lenses, are also recommended to compensate the near vision, arm length vision, intermediate vision and distance vision, respectively. Besides, if you are in rich budget, you may own several pair of glasses for different vision occasions. Remember to go to your optometrist now and then to have a professional check on your eyes, so as to get a suitable pair of eyeglasses to wear in front of the computer.

In addition to protect eyes by some tools, you can also adopt other eye care methods, which can be called the good habits of eye using.

Use the self-hypnosis software to force you to be away from the computer for some time, which is very necessary because people always forget the time once they sit in front of the computer. You can get the software in the internet easily. Furthermore, you should give your eyes rest and recuperation regularly, including the short breaks every one hour and long break after lunch. It is best to put the fresh and cool washcloth on your tired eyes to give a comfortable eye relaxation or use the eye drops to ease up the sore in eyes under the direction of your optometrist.

Let’s do the eye cares mentioned above to protect our eyes from being damaged when sitting in front of the computer, instead of ruining our eye health.

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Computer glasses selections

Proper computer use in children

It is an era of computers and people can not live without them. However, some computer-related problems arise consequently. In particular, computer vision syndrome (CVS) has bothered many computer users. Sufferers of CVS have to endure the pain of vision blurriness, headaches, eye dryness, fatigue, strain, etc. Fortunately, a special device is made to cope with those symptoms. It is the computer eyeglasses that can help reduce the pain caused by CVS.

People of any age group are prone to CVS if they use computers often. Computer eyeglasses are suitable for all of them, though children’s glasses are a bit different. Keep in mind that eyeglasses can not be replaced by near and distance vision glasses, for different glasses are for different purposes. Sufferers are suggested to receive some eye tests if they have any other sight problems.

Generally, wearers can buy those eyeglasses at some drug stores with low price. However, people should be cautious about cheating. In some cases, those computer eyeglasses bought from some manufacturers are fakes. Therefore, it is good to prescribe computer eyeglasses from eye doctors. Those glasses can also be used for driving and reading.

Facts have proved that tinted computer eyeglasses are nice for wearers. Why will people suffer from CVS? This is because of changeable focuses before computers. Therefore, tinted computer eyeglasses can help wearers see objects much clearly.

For those who often use computers, computer eyeglasses are essential, though some are not in need of such glasses. With a pair of computer eyeglasses, some CVS can be avoided. For those suffers of CVS, those glasses can reduce the symptoms of CVS and help maintain eye health.

Computer eyeglasses are good devices to prevent some potential computer-related problems. Sometimes, no symptoms can be detected before some eye problems occur. However, those preventive devices can help eliminate those problems before them evaporate. Those glasses are results of the latest technologies.

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Vision health care of computer users

Task-specific computer glasses

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Computer focus has unique visual demands that are unlike with other activities, so that a prolonged computer use may bring eyestrain and fatigue more easily. Some of the people under 40 can not remain accurately focused on the computer screen for a long period, or get tired from the frequent switch between the screen and the keyboard. Presbyopia on people above 40 may also cause CVS symptoms such as blurry vision and headache.

The simplest way to address CVS (Computer Vision Syndrome) is the special computer glasses, which are superior to regular prescription glasses. All those commonly used prescription glasses such as reading glasses, bifocal glasses and single vision glasses for myopia are not designed to suit computer use. The reason is that computer focus needs the intermediate zone of vision, which is closer than distance vision and farther than near vision. Even trifocals and progressive glasses can only cover a small portion of this area.

The University Of Alabama School Of Optometry has conducted a research of participants between 19 and 30, who either wear computer glasses or non-corrective glasses. Researchers recorded the performance of these people in finishing font tests. The result showed that people with computer glasses had higher work productivity than the other individuals.

Computer glasses have special designs that are not suitable for regular wear. A single vision lens with special power provides both the most comfortable computer vision and the largest vision field. This type of computer lens design reduces the risk of eyestrain, blurred vision and unnatural posture. For people with presbyopia, occupational progressive lenses or lined trifocals with larger intermediate zone provide the right solution. But they are not suitable for driving since the distance zone is narrowed. Occupational bifocal lenses offer a top lens part for intermediate vision and a bottom part for near vision.

Eyestrain can also come from bright office lighting. Anti-reflective coating can be used to reduce glare and UV absorbing coating can be used to block blue light emitted by fluorescent lights.