Instructions
Things You'll Need:
- Tape measure (optional)
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1
Begin by positioning your computer monitor at the recommended distance from your eyes. This should fall anywhere between 20 to 26 inches.
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2
For all other near activities or tasks (for example: reading, doing paperwork, playing with handheld video games, texting, sewing), 14 to 20 inches is appropriate. You can also use the distance between your elbow and your wrist as an approximation of this length. This is known as "Harmon's Rule".
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3
Follow the "20/20 Rule" (also known as the "20-20-20 Rule"). It stipulates: Every 20 minutes, gaze far away at an object located at 20 feet for 20 seconds.



