Health Issues (Cambridge (CIE) IGCSE ICT)
Revision Note
Health Issues
What are health issues?
Health issues are a common side affect of the prolonged use of IT at home or in the workplace
There are strategies that should be in place to help prevent health issues such as:
Repetitive strain injury (RSI)
Back/neck problems
Eye strain
Headaches
Repetitive strain injury (RSI)
Repetitive strain injury is damage to the fingers, wrists and joints, traditionally cause d by prolonged use of a keyboard and mouse
The effects of RSI include:
Pain
Numbness
Weakness
Stiffness
To eliminate or reduce the risk of RSI, a user should:
Have the correct posture (angle of arms to the keyboard and mouse)
Use a wrist support if necessary
Take regular breaks
Make use of ergonomic keyboards
Back/neck problems
Back and neck problems are caused from sitting in front of a computer screen for prolonged periods of time
The effects of back/neck problems include:
Pain
Stiffness
Muscle spasms
Weakness
Numbness or tingling
Sciatica
Difficulty sleeping
To eliminate or reduce the risk of back/neck problems, a user should:
Use adjustable chairs
Take regular breaks
Use a foot rest
Eye strain
Eye strain is caused by staring at a computer screen for prolonged periods of time or incorrect lighting causing reflections
The effects of eye strain include:
Headaches
Vision problems (blurred, double, light sensitivity)
Discomfort
To eliminate or reduce the risk of eye strain, a user should:
Take regular breaks
Use anti-glare screen filter
Change from CRT to LCD monitor
Headaches
Headaches are caused by a combination of factors, including:
Poor lighting
Flickering screens
Reflections
Fatigue
To eliminate or reduce the risk of eye strain, a user should:
Take regular breaks
Have regular eye tests
Use an anti-glare screen filter
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