Don’t give your eyes too much strain from studying. Like your brain, it is important that you give your eyes some break too.

Your eyes need to have a break every twenty munutes. You can do this by closing your eyes for a few minutes, or focusing it on a distant object, or stare at some nice picture or a cool colored wall.

Try doing eye exercises such as rolling your eyeballs up and down, and left and right.

You can also try to control the ambient light so that the glare of reading surfaces.