When a paintball bursts out of a CO2-powered gun, it can travel nearly 300 feet per second and cause devastating injury to the eye, including ruptures and permanent blindness.
Eye Injuries From Paintball Guns, Air Guns and Other Projectile Toys - American Academy of Ophthalmology
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Assaults with paintball guns cause more serious eye injuries than previously known, new study reports - UChicago Medicine
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Paintball Safety Rules - LVL UP Sports Paintball Park
Paintball Guns Can Cause Permanent Eye Damage and Blindness, University of Chicago Research Suggests
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Common Paint Ball Injuries: Paintball Gun Defected Lawsuit - Downtown LA Law Group