Carolyn Trietsch recently defended her Ph.D. in entomology at Penn State. You can view her website or follow her on Twitter @carolyntrietsch. Laser pointers are perhaps the most abused visual aids in ...

ROCHESTER, Minn. -- Mayo Clinic ophthalmologists have found commercially available Class 3A green laser pointers can cause visible harm to the eye's retina with exposures as short as 60 seconds. The ...

Those laser pointers people aim at planes flying overhead can’t permanently damage a pilot’s vision, according to a medical study published Tuesday, casting doubt on government advisories to the ...

A German bus driver found out the hard way that laser pointers actually can damage the human eye. About six months ago, the 44-year-old driver noticed that someone on the bus was messing around with a ...