Do you often feel uncomfortable when sit in front of a computer for a long time? If your answer is "yes", I'm afraid you must pay more attention to your eye health.
With the development of our society and high-pace life, we have to deal with so many work by the help of a computer. When you concentrate on your work, you may ignore your eyes are suffering hurt from the computer. Your eyes may get strain or blurred. They are called computer vision syndrome. In this case, you need a pair of computer glasses to protect your eyes from computer radiation. Most computer glasses are high flexible and lightweight, which can make you feel relaxed. Good lenses are important to keep your eyes healthy and safe.
Depending on personal likes and work, there are mainly three kinds of computer glasses :monofocal,bifocal and trifocal. Monofocal can corrects the working distance between the users and the screen. But the objects and reading materials may blurry if they are closer than the computer screen. Bifocal can adjust the upper segment for the screen distance and lower segment for the work. The short coming is that the objects far away are blurry. Trifocal computer have three lenses: far vision, close vision and distance vision. A limited continuity vision may happen while using a trifocal computer glasses.
How can people get a computer glasses? There are two ways: one is to buy at an optical shop. You can get advice from experienced eye doctors. The other is to get from the internet. You can have more choices and save more time and energy doing other things. The price must be much lower than that of optical shops.
As we often say: eyes are the window of heart. To prevent your heart from damaging by the computer and for your eyes health, you'd better wear computer glasses when using computers. It is time to invest for your eye care and computer glasses can give you a big help.