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Ultra

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by

Koto Asano

on 24 July 2014

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Transcript of Ultra

Question!
Who can explain about
ultra violet radiation?
The reason why ultra violet is becoming strong?
Ozone rays
effect to skin and eyes
UVA UVB UVC
source
Cacadian centre for occupational health and safty
http://www.ccohs.ca/oshanswers/phys_agents/ultravioletradiation.html

Ultra Violet Radiation
in North America

Contents
Introduction
The reason why ultra violet radiation is becoming strong
effect to skin and eyes
skin cancer
conclusion

MM132 Koto Asano
July 28th, 2014

Ultraviolet (UV) radiation is similar to visible light in all physical aspects, except that it does not enable us to see things.
three kind of rays
UVA
UVB
UVC
humans activities!!
to burn gas, oil and so on....
What do you think about a person who got tan?





Is this cool or silly?
Actually, there are no merit to tan our skin!! We have to think about effects from ultra violet radiarion!
blocked by ozone ray
the cause of getting tan skin
the cause of damage to eyes
effect to skin and eyes
Tanned skin.....
have been permanently damaged
by the sun
Skin cancer

the rate of death because of skin cancer is increasing!
get freckle and wrinkle!!!!!
Eyes which get much sunlight.....
cloud the lens and
eventually lead to blindness.
World Health Organization
http://www.who.int/uv/health/uv_health2/en/index2.html
In men case.....the death rate rose 1.2 per cent a
year.
In women case.... 0.4 per cent per year.
http://www.theglobeandmail.com/life/health-and-fitness/health/skin-cancer-is-on-the-rise-in-canada/article18878085/
THE GLOBE AND MAIL
Conclusion!
Try to protect your skin from sunlight
Need to wear sunglasses
Put on sunscreen
We must protect us by ourselves
Do you have a question or opinion about my presentation?
Thank you for listening!
Full transcript