Your eyes nerves will be in intense state for a long time. That is why your eyes feel tired quite easily. You should not sit in front of the computers for a long time with little rest. Or else, your eyes will get red and dry. You should use the eye drops to moisture the eyes. Closing your eyes for a moment is also a good way for you to release the tiredness of eyes.
Well, it happens. Because as you can see, our eyes need to be relaxed from time to time, if you continue to use your eyes a lot without breaks, they of course get sore and tired. That is called eye strain, which could be accompanied by red eyes. Anyway, just try to pay attention to your use of eyes and take care of your eye health as much as possible. Good rest and healthy food make your eyes brighter.
Well, in my opinion, according to your description, I have to say that your eyes may suffer eye strain. And eye strain can just make your eyes feel tired, while your body is very energetic. And generally speaking, eye strain can mean stress in your eyes, which can just make your eyes suffer from many eye problems. For example, your eyes may suffer dry eyes, bloodshot eyes, and red eyes if eye strain exists in a long time. So you just control your time when you read book, or watch tv or computer.