Well, generally speaking, computer glasses can be beneficial for you, when you are watching computer with them. First, you should know that when you use computer, your eyes have to focus and refocus to see lighted screens, and then it can become blurring after using the computer a while and can lead to blurry vision. At this time, by using computer glasses, it can reduce headaches, neck strain and eye strain. Anyway, it can be beneficial. But on the other hand, if you can not be accustomed to them, they can also give some eye strain too. so just be careful about it.
It is true that it is necessary to wear the computer glasses while using computer. Although you will get rid of the radiation from the computers when you wear the computer glasses while using computer, you will still find the tiredness in your eyes if you sit in front of the computers for a long time. And wearing the computer glasses will leave the nose print on your nose when you take off.