Question: The programs work on monitors day in and day out for near untraceable period to time. What is the best position to keep the monitor?

Answer: 
The US Government's Occupational Safety & Health Administration (OSHA) provides [ergonomic recommendations for computer monitors](https://www.osha.gov/SLTC/etools/computerworkstations/components_monitors.html). There are a number of factors to consider, especially:

Monitor distance:

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> Sit at a comfortable distance from the monitor where you can easily read all text with your head and torso in an upright posture and your back supported by your chair. Generally, the preferred viewing distance is between 20 and 40 inches (50 and 100 cm) from the eye to the front surface of the computer screen.
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Monitor height:

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> The top of the monitor should be at or slightly below eye level. The center of the computer monitor should normally be located 15 to 20 degrees below horizontal eye level.
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As a developer, this topic is near and dear to my heart.

I would recommend the following:

1. A non-glossy "matte" screen.
2. Tilt + height adjustable arm for your monitor. If possible ask for and articulating mount: ![this](https://i.stack.imgur.com/Pq4QV.jpg)

These are height, reach, and tilt adjustable.

Place the monitor such that:

1. There is no glare on the screen.
2. Just out of reach for your arms. This is a good estimate of the distance from your face. If you can reach out and touch the screen without tilting/rolling forward in your chair, the monitor is too close to your face.
3. Make sure there is lighting at the back of the monitor, this will help reduce the strain on your eyes.