3. With modern inventions human
life has improved however there
have also been negative
consequences, permanent use of
technology may lead to health
problems. Since we are always in
contact with computers and smart
phones it is important to know
what provokes health issues and
how to prevent them.
4. Find the effects that the use of
ICT could cause on humans
health. Pointing out how the
physical and psychological
effects, on a short and long
term.
Identify neck and back
problems caused by the use of
ICT
The effects of ozone emitted by
printers
The problems that affect
humans physical health in
general
5. Eye-Strain is a problem that
appears after using computers
for a long time.
Eye-strain is tiredness of the
eyes.
Caused by:
Staring at the screen for too long
Being too close to the screen
Using a screen which flickers
Looking at the monitor at the same
constant distance.
Working in bad light, in glare or with
a flickering screen.
What happens is that the muscles
that focus the eyes do not
move, and therefore your eyes get
tired.
6. Symptoms:
Preventions
Burning or itching eyes
Have a regular eyes test
Blurring or double vision
Take regular breaks
Headache, fatigue and
Use proper lightning and
nausea
window blinds
Get glasses
Use TFT/LCD/Plasma
screens
7. Caused by bad position or
bad posture
While using the
computer, or cellphone
for a long time
Leads Health problems
such as:
Neck ache
Back ache
8. A fully adjustable chair
should avoid poor posture.
Footrests can reduce these
problems.
Screens should tilt and turn
to a position that avoids
awkward movements.
9. Distance between your eyes
and the monitor, or the angle
for your elbows and knees.
Take regular breaks
Sit in an adjustable chair with
lumbar support
Your feet should be rest
Allow forearms to rest on it
when using the keyboard
"When you sit, it is best to sit in
an upright neutral posture .
This maintains the natural
curve of the spine and so
preventing excessive loading of
the lower back”
10. Is damage to the fingers, wrists
and other parts of the body
due to repeated movements
over a long period of time.
Causes
Typing and using a mouse for long
periods (carpal-tunnel syndrome).
Excessive force used in typing
Repetitive finger and hand
movements
11. Solutions
Have correct posture
Symptoms
Use wrist rests
Pain in arms and hands
Have a five-minute break
Weakness and inflammation
from typing every hour.
Pain in shoulder and neck
Keep elbows close to your
sides
Make finger exercises
periodically
12.
13. Ozone, or trioxygen, is a triatomic
molecule, consisting of three
oxygen atoms. It is an allotrope of
oxygen that is much less stable
than the diatomic allotrope (O2).
Ozone in the lower atmosphere is
an air pollutant with harmful
effects on the respiratory systems
of animals and will burn sensitive
plants; however, the ozone layer in
the upper atmosphere is
beneficial, preventing damaging
ultraviolet light from reaching the
Earth's surface.
Ozone is present in low
concentrations throughout the
Earth's atmosphere. It has many
industrial and consumer
applications.
14. Health experts have suggested that
ozone emitted from laser printers
can lead to breathing problems.
Solution
It is recommended that laser printers should
be situated at least one meter away from
where people are sitting and there should
be good ventilation in the area.
15. People must be careful with they
use they give to technology. If
people are well informed about
the health problems the constant
use ofgthecnology generates they
can take preventive measures.
Mainly the solution is to be aware
of the problem.
