no
Some people can hurt them seleves using a computer is by Hurting there Eyes and the can go blind and die.
If you mean how do your eyes look when your on a computer?... then you kinda squint them a bit if the brightness of the computer is to bright or if it is hard to read things.. I dont really get your question though?!
0 inches
they make people fat if they sit at them all day and they give you square eyes xx
1st Its boring 2nd Its not good to your eyes
The light coming out of your computer screen, that makes it possible for your eyes to read this answer.
If you are touch-typing, your eyes should be on the 3rd to 5th word beyond what you are currently typing.
No, it is just a way to say watching too much stuff on tv or being on computer too long can damage your eyes. Of course it doesnt.
Using the right makeup can make your eyes appear bluer without wearing contacts.
It is very common that people go on there computers but i am the presidant o'bamha ''it is now the law that you con't go on your computer for more than 2 hours!!!''
If your eyes are not used to using a computer, 4 hours can certainly make your eyes hurt. However, if you mean it more along the lines of making someone near sighted, that amount of time probably won't have much of an impact.
It is good to look at a distant object now and again while using a computer helps because when you are just focusing on a computer screen all day your eyes start to hurt and get tight, but every hour or so you should look at something far away , it will get your eyes back in focus.