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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 Laser-Professionals.com Photo courtesy of U S Air Force MULTIPLE PULSE RETINAL INJURY Laser-Professionals.com 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