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May 27, 2008
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Computer and Health
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What things should you do if using a computer for a long time for Health reasons?
Computer work can be quite strenuous for the body, especially for the eyes, the back, the wrist and the hand.
The first thing to do is to have a good position in a nice environment: comfortable straight chair, monitor and keyboard at the right height and distance, quite room, well lit.
There are several ways to minimise eye strain. Modern flat screens are better than standard monitors. Also, special screen filters that fit in front of a monitor are good for the eyes.
Also, you may have heard of RSI, repetitive strain injury, a condition that affects the wrist and the hand and is provoked or compounded by extensive use of the mouse. A few things can help minimising the risk of this are: trying to use more keyboard shortcuts, moving the hand away from the mouse when not needed etc.
The most important thing is to take regular short breaks away from the screen and to do some stretching or get some fresh air in order to relax the mind and the body. But don't use that information to walk out in the middle of your next ICT lesson.
Can you tell me two health and two safety risks that need to be considered when using computers, or just give examples because i don't understand the difference?
Health & Safety risks include anything that can affect your well-being, physical fitness or endanger your life. Here are some ideas of what type of risks these include with regard to computer equipment:
Health
* Using laser printers can affect your health if they are not properly positioned in a ventilated space. This is because fumes are given off when the printer is going through the process of producing a printed page.
* Using computer equipment can affect your health if it is not correctly and ergonomically set-up. By this we mean - correct desk, chair and keyboard heights; proper positioning of monitor and lighting around it; use of wrist rests for mouse and keyboards. The health effects of poorly set up working environments can include eye strain; repetitive strain injury on joints and muscles; back aches.
Safety
* Correct installation of devices and enclosure of wires, leads and other electrical points is essential to avoid accidents. Appointment of qualified electricians is necessary in an office environment to safely install trunking and power supply for computer equipment.
* Proper earthing of devices such as monitor anti-glare/static screens to avoid shock or blowing fuses.
* Regular maintenance and upkeep of computer equipment is needed to avoid safety issues. For example, faulty monitors or internal cooling fans that may lead to overheating of equipment.
It is the responsibility of an employer to ensure that the Health & Safety at Work Act is complied with and that these risks are assessed and properly addressed. It is the responsibility of the employee to correctly adhere to regulations and guidance and to report faults and risks in order to avoid endangering their own (and other colleagues') health and safety.
I would like to have some points which will help me write my own notes on the topic: the social,ethical,legal and economic implications of computer use.
Here are some points to get you started:
1. Research, identify and discuss changing trends in computer use as a result of developments in computer technology. Remember, computers don't just include PCs, but anything with built-in computing power such as mobile phones, CD/DVD players, digital cameras etc.
2. Explain why computers are best suited for tasks requiring speed, accuracy and repetition.
3. Explain changes to society (consumers) brought about by the introduction and use of computer systems.
4. Describe the impact of computers on jobs.
5. Discuss steps which can be taken to protect confidentiality of data held on computer systems.
6. Understand the need for data protection legislation.
7. Discuss the social and ethical implications of access to information whose value is controversial.
8. Discuss health and safety implications (for example, repetitive strain injury (RSI) of increased computer use, including measures to ensure a healthy and safe working environment for employees.
Health and safety
There are various health problems associated with the regular use of computers, and because of this employers must be aware of the regulations surrounding computer health and safety.
* Employer regulations
* General working environment
* Possible dangers and solutions
* Glossary
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