1. Should check the eyes before work related to computers. And measurement of sight repeated periodically.2. Those allergic to light. Should get advice from a doctor before working with the computer.3. Should change posture, or stretching from time to time. Should not work with the computer continuously for a period of time is too long.4 screen that displays lighting (Monitor) should be appropriate, should not be a flickering light or flashes, and should have the brightness or intensity of the light is appropriate. Is should be adjusted to not bright or too dark.5 phase from sight to the computer, there should be a depression about 20 degrees, distance 18-22 inches.6. Positioning keyboard hand elbow should be perpendicular to the body (about 90-120 degrees) to reduce the lift ที่หัวไหล่.7. Capturing Mouse should not be in the position of wrist turn out outside the body. Should catch in the wrist tilt or twist is minimal.8. The chair should can be adjusted according to the body of a user level low, and must be the backrest leveling, and armrests. The cushion should have a curved slope down. Not as sharp and not press under the position of the knee.9. PIP must can adjust the angle lift or tilt.10. If muscle pain or chronic tendon should consult a doctor.* * * the work every working continuously 2 hours should have a rest.
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