Workers who use computers for long periods or time are susceptible to health problems.
Many of these problems are avoidable.
You need to be aware on what the problems are and how they can be avoided.
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3. Workers who use computers for long
periods or time are susceptible to
health problems.
Many of these problems are avoidable.
You need to be aware on what the problems
are and how they can be avoided.
CONTENTS
4. EMPLOYER REGULATIONS
The law states that an employer must:
provide tillable screens
provide anti-glare screen filters
provide adjustable chairs
provide foot supports
make sure lighting is suitable
make sure workstations are not cramped
plan work at a computer so that there are frequent breaks
pay for appropriate eye and eyesight tests by an optician
5. GENERAL WORKING
ENVIRONMENT
Don't forget that rules for all electrical appliances apply in a
computer room. This means:
There should be no trailing wires
Food and drink should not be placed near a machine
Electrical sockets must not be overloaded
There must be adequate space around the machine
Heating and ventilation must be suitable
Lighting must be suitable with no glare or reflections
Benches and desks must be strong enough to support the computers
6. MAIN EFFECTS OF
COMPUTER IMPROPER USE
Eye Strain
Back Problems
Numbness in Hands and feet
Stress
7. EYE STRAIN
Looking at a computer screen or a long time can lead to
eye strain.
The symptoms can include headaches and sore eyes.
Eye strain occurs if
working in bad light.
poor work practices
poorly designed equipment
Improperly corrected Vision
8. HOW TO PREVENT
EYE STRAIN
Get a comprehensive eye exam
Use proper lighting
Minimize glare
Upgrade your display
Adjust your computer display
Blink more often
Take frequent breaks
Modify your work station
Consider computer eyewear
9. BACK PROBLEMS
Sitting at computer for a long period o time can lead to
back problems.
The symptoms are back pain or stiffness, possibly in the
neck and shoulders.
Back pain occurs if:
Users use PCs for a long period of time.
Adopt a bad poster.
Have their seats at an incorrect height.
10. HOW TO PREVENT BACK PAIN
Keep your head up.
Be choosy with your chair.
Take breaks.
Find the right angle.
Exercises or a healthy Back.
11. NUMBNESS IN
HANDS AND FEET
Muscles and tendons can become painful with repetitive
movements and awkward postures.
This is known as ‘overuse injury’ and typically occurs in
the elbow, wrist or hand of computer users.
Symptoms of these overuse injuries include pain, swelling,
stiffness of the joints, weakness and numbness.
12. HOW TO PREVENT
NUMBNESS
Have your mouse at the same height as your correctly positioned
keyboard.
Position the mouse as close as possible to the side of the keyboard.
Use your whole arm, not just your wrist, when using the mouse.
Type lightly and gently.
Mix your tasks to avoid long, uninterrupted stretches of using the
computer.
Remove your hands from the keyboard when not actively typing, to
let your arms relax.
13. STRESS
It's stressful to be tied to a computer all day.
Lack of control, high workload demands (mental and
physical) and little support are key workplace stressors.
Stressors cause mental, physical and behavioural
symptoms that may become long-term problems.
Issues include slow perfomance,system
crashes,viruses,pop-up ads
14. HOW TO PREVENT STRESS
Install correct hardware that is capable of meeting tasks
Having a reliable support team
Providing users with adequate support and training
Going for a short walk to get fresh air
15. COMPUTER’S SAFETY
Switch off completely as your task is completed.
Use notebook cooler for laptops
Do not move Desktop PCs while working.
Provide enough ventilation.
Put Laptops after using in a bag.
If the system hangs, wait that pressing shutdown
Give time to system to response.
Do not install toolbars.
Install legal softwares.