Laser-pointers should never be pointed in the direction of another person

The Food and Drug Administration (FDA) is alerting healthcare professionals about possible eye and skin injuries from exposure to laser-containing products. Laser products operated in an unsafe and uncontrolled manner may cause injury to the user and/or others within range of the laser pointer Mini beam. This is a particular concern for lasers intended for entertainment purposes, especially when used by children as toys. Most toys with lasers are safe and are compliant with performance standards but some products (eg, hand-held laser pointers) are being misused as toys.

While most eye injuries from Laser Pointer 50000mW go unreported, the FDA is aware of laser pointer injuries involving military personnel, researchers, hobbyists and children. Two of these incidents include:

A child's eyes were damaged from reflected beams after directing a 150mW Super Laser Pointer Blue into a mirror.
A child is legally blind in both eyes after playing with his mother's laser pointer which was purchased online.
The limit for visible light power of hand-held laser pointers is 5mW (milliwatts), which can still cause temporary flash blindness when aimed directly into the eye. Reflections of laser beams from mirrors or metallic surfaces may not allow for a quick protective reflex to avoid injury. Also, the FDA warned that intentionally staring into a 5mW beam will also result in eye injury; laser eye injuries are likely to be painless.

Santa reminds everyone that pointing a Green laser 50mw at him or his reindeer is #NotABrightIdea . Laser pointers can distract them and create glare or temporary blindness, which could cause the fleet to get tangled up.
In order to deliver all his gifts on time, Santa asks that you keep all drones inside after dark. Flying a drone at night is dangerous and could scare his reindeer. All drones buzzing too close to his sleigh will be reported in Transport Canada's Civil Aviation Daily Occurrence Report System .

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