You can use artificial tears to relieve your dry eye symptom. I think it is the most common and safe drops for dry eye. But it can only moisten your eyeball. It can't help with more serious conditions. If you got some infection in your eyes at the same time, you'd better consult your doctors, because special eye drops can help you. I also suggest you to buy a pair of computer glasses.
Are you a contact lens user? If you are, you are easy to get dry eye. You can use artificial tear drops and ointments to solve your problem. But I think you can buy a pair of computer contact lenses too. They can prevent the reflections of computer screens. You can also reduce your symptoms by taking a short break or closing your eyes and moving your eyeballs up and down or side to side.