When you are staring at a computer for long periods of time you blink less often. This can lead to eye fatigue. To combat it, remember the phrase 20-20-20. This means Every twenty minutes give your eyes a break by looking into the distance twenty feet away, for twenty seconds. It will refresh your eyes and prevent eye strain.
Try not to use eye drops too frequently. Even though they give relief, they could possible cause other problems. You should consult an optometrist for additional insight on the options that might be available.
People who have allergies often have red and itchy eyes. Be careful to avoid rubbing them because that will only make the problem worse. If you have seasonal allergies you can take medication to prevent the symptoms, and you can also use allergen-reducing eye drops. Make sure to follow the directions for the eye drops to avoid future problems.