RECAP – SOME COMPUTER SAFETY GUIDELINES AT HOME AND IN

COMPUTER LAB• Do not eat and drink near computers.• Do not run and play near computers.• Do not operate computers during heavy rainfall and thunder storm.• Do not open system or monitor casing.• Do not insert any metal objects

SYLLABUS AND LEARNING OBJECTIVES

Learning Objectives: Explain what health problem is. Identify the different health problems. How these problems can be

minimised.

HEALTH PROBLEMS RELATED TO THE USE OF COMPUTERS

If computers are not used properly, a lot of health problems may arise

and these problems may be avoided if people use computers appropriately.

Do you use computer regularly.

What health problems did you get while working with a computer.

HEALTH PROBLEMS

EYE STRAIN BACK ACHE

WRIST PAIN

EYE STRAINCAUSES Insufficient breaks Prolonged or excessive use Glare (brightness) from the screen Reflection on the screen (sunlight)

PRECAUTIONS: Take frequent breaks Use antiglare screen Use curtains on windows Blink the eyes regularly Eyes must be in line with monitor

BACK ACHE & WRIST PAINCAUSES:• Wrong posture• Excessive use

PRECAUTIONS:• Take regular breaks.• Adopt the right posture and use

back rest.• Use footrests and adjustable

chairs

WHAT IS RSI? Repetitive strain injuries

(RSIs) are "injuries may be caused by repetitive tasks, forceful exertions, or awkward positions".

It is a collective name for a variety of disorders affecting the neck, the shoulders and upper limbs.

THE POSTURE TO ADOPT WHILE USING A PC

SUMMARY

10

TRUE AND FALSE

1. One cause of RSI is typing for long periods of time without rest. _______

2. Using a monitor that faces the window without curtain will cause eye strain._______

3. It is not important to take regular break while using a PC. _______

4. RSI stands for Repetitive Stress Illness. _______

5. Adopting the right posture while using the computer will reduce back pain. _______

QUESTION 2

a. State two health problems associated to the use of computers.

b. For each above mentioned health problems, state two precautions that can be taken to reduce these health problems.