How Hand-Held Laser Pointers Can Cause Blindness

Laser pointers are growing in popularity as a device for both business and home use. For example, they are used in lecture halls and demonstrations, business presentations to highlight crucial points and also to entertain cats who enjoy pouncing on the light as it bounces across the wall.

These devices look deceptively safe in the hands of the speaker pointing at the screen but it can cause serious eye damage if used inappropriately.

The same way manufacturers argue that http://ikkemunandar.blogspot.com /2011/07/cell-phone-radiation-are-mobile-phones.html" rel="dofollow" style="color: #0b5394;" target="_blank">cell phone radiation posses no risk, it's no wonder that the makers of laser pointers insists that they pose minimal dangers to your eye-sight. They claim that these devices lack the power to cause blindness. The reality is the light from some laser pointers can damage the eye if stared at directly for more than 10-15 seconds.

http://ikkemunandar.blogspot.com /2012/01/how-hand-held-laser-pointers-can-cause.html#more">Read More »