Download LASER BEAM INJURIES High power lasers can cause skin burns

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Transcript
LASER BEAM INJURIES
High power lasers can cause skin
burns.
Lasers can cause severe eye injuries
resulting in permanent vision loss.
Laser-Professionals.com
SKIN BURN FROM CO2 LASER EXPOSURE
Accidental exposure to partial reflection of 2000 W CO2 laser beam
from metal surface during cutting
Laser-Professionals.com
TYPES OF LASER EYE EXPOSURE
INTRABEAM
VIEWING
EYE
LASER
SPECULAR
REFLECTION
LASER
DIFFUSE
REFLECTION
LASER
Laser-Professionals.com
REFLECTED
BEAM
MIRROR
SCATTERED
LIGHT
ROUGH
SURFACE
HUMAN EYE
Choroid
Sclera
Retina
Aqueous
Lens
Macula
Cornea
Optic Nerve
Laser-Professionals.com
Vitreous
25 m
THERMAL BURNS
ON
PRIMATE RETINA
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Photo courtesy of U S Air Force
MULTIPLE PULSE RETINAL INJURY
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EYE INJURY BY Q-SWITCHED LASER
Retinal Injury produced by four pulses from a Nd:YAG laser range finder.
Photo courtesy of U S Army Center for Health Promotion and Preventive Medicine
Laser-Professionals.com