The layout of the location where you use a computer can contribute to eyestrain. It’s best if your computer monitor is away from the window (meaning, not in front of a window or behind one).
This reduces the glare from outside light sources that can further irritate and dry your eyes. If your desk must be up against a window, get blinds or curtains to help reduce glare.
Switching out overhead fluorescent lights in favor of lamps can help to reduce overhead glare that can make it difficult for your eyes to focus. Adjusting light to a lower wattage or even a softer filter can help to relax the eyes.
If you do use a lamp on your desk, ensure it isn’t pointed directly at your face. Instead, the light should be pointed downward, toward papers on your desk.
While you can make some changes to your computer workstation and monitor, there are other things you can do to ensure you’re protecting your eyes as best you can while working.
Look away from your computer screen at least every 20 minutes for 20 seconds. Focusing on an item that is about 20 feet away from you can help to reduce strain and fatigue on the eye muscles. This practice is known as the 20-20-20 rule.
You can also adjust your eyes’ focusing ability and “relax” your eyes by looking at a faraway object for 10 to 15 seconds. Then, look at an object that is closer to you.