The problem with typical desk setups
Neck pain, shoulder tightness, and eye strain are common complaints among desk workers. Most are caused by ergonomic mistakes that took minutes to create and take minutes to fix.
Monitor height
The top of your monitor should be at or slightly below eye level. When you look at the center of the screen, your eyes should be directed slightly downward - around 10–15 degrees below horizontal. This is the natural resting angle of the eye.
Common mistake: Laptops and monitors sitting directly on a desk are almost always too low for someone seated in a normal chair. The result is forward head posture - for every inch your chin juts forward, the effective load on your cervical spine increases by roughly 10 pounds.
Fix: A monitor arm or a solid riser to raise the display. Aim for the top edge of the screen at eyebrow height.
Monitor distance
The minimum reading distance should be an arm's length from your face - typically 50–70cm for a 24–27 inch monitor, 70–90cm for a 32 inch display. Closer than this and your eyes work harder to maintain focus.
If you find yourself leaning forward to read, the problem is usually font size, not distance. Increase your system font scaling or browser zoom before moving the monitor closer.
Tilt
Tilt the monitor back 10–20 degrees so the screen faces slightly upward. This keeps the screen perpendicular to your line of sight as you look down at it.
Ambient lighting
Avoid: Bright window directly behind the monitor, causing glare and making the screen look dim. Bright window in front of you reflecting off the screen.
Ideal: Monitor perpendicular to windows. Use blinds to control daylight. Match your monitor brightness roughly to the ambient light level - a very bright screen in a dark room causes eye strain, as does a dim screen in bright light.
The 20-20-20 rule
Every 20 minutes, look at something 20 feet away for 20 seconds. This exercises the focusing mechanism of your eye and reduces ciliary muscle fatigue.
Use the Screen Timer tool to set 20-minute reminders automatically.
Checking text clarity
After repositioning, use the Text Clarity Test to verify that text at normal reading distance looks sharp. If sub-pixel rendering appears wrong (common after resolution changes), adjust your system's display scaling settings.