Symptoms can range from irritation to dryness. Make sure that you get 7 or 8 hours of sleep every night. If you feel your eyes are tired during the day you can rest them for a few minutes by taking a nap. If you follow these tips there is no reason why you should not enjoy good eye health for years to come. It is quite normal to spend many hours on a computer these days. This can lead to Computer Vision Syndrome or CVS. You can prevent this from happening with the 20-20-20 rule: work for 20 minutes and then rest your eyes for 20 seconds by staring at an object that is 20 feet away.