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laser pointers Tips
Date2006-5-16 10:40:01 Read7783
Never shine a laser pointer at anyone. Laser pointers are designed to illustrate inanimate objects.

Do not allow minors to use a pointer unsupervised. Laser pointers are not toys.

Do not point a laser pointer at mirror-like surfaces. A reflected beam can act like a direct beam on the eye.

Be aware of irresponsible uses of pointers so the psychological effect will be minimized if you are illuminated by one.

Do not purchase a laser pointer if it does not have a caution or danger sticker on it
identifying its class. Report suspicious devices to the FDA.

Laser experts agree that laser pointers should not be used to pull pranks. School children are not the only ones finding mischievous uses for laser pointers.

laser pointers at athletes during sporting events and at people as they are driving.

The FDA requires manufacturers to place a warning on pointers, telling users not to look into the beam. These warnings are small and easy to ignore, however, as evidenced in widespread misuse of the devices.

Secondary Effects :

Safety professionals are especially concerned about secondary effects, those experienced during critical activities such as driving down a busy highway. If the driver lost control due to either a split second visual effect or a psychological effect (startle or panic), the consequences could be dire. There are reports of pilots who have had to look away or hand control of a landing airplane over to a co-pilot after similar incidents from more powerful light show lasers.

Laser experts agree that transient visual effects are possible and should be addressed.
These effects are called glare, flashblindness, and afterimage. While there are slight
differences in the definitions scientists use for these terms, they all refer to some vision disruption that lasts only a few seconds or minutes. The Laser Institute of America has
received one report where exposure to a laser pointer startled a bus driver resulting in a traffic accident.

People often have strong psychological reactions to being illuminated with a laser beam. One researcher found that at times people receive eye injuries, not from the beam itself, but by a strong response that includes vigorously rubbing or sticking their fingers in their eye.

Education is also key. By informing parents, teachers and society at large about the
potential hazards laser pointers present, any risks posed by them can be minimized, and the devices can continue to be used properly and safely, as primarily intended
 
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