Interesting Eyewear Fact
In 1962, Dr. Harold Straub of the U.S. Army Harry Diamond Laboratory, developed the first laser eye protector by installing a 2 × 4-inch, blue-green glass (Schott-type BG–18), filter plate in a standard acetylene welding goggle frame.
The most common misconception laser users have about laser-protective eyewear is that it is the first line of defense against laser radiation. In reality, it should be the last line of defense. Beam containment will do more of a laser user than laser-protective eyewear.
If you can eliminate the possibility of eye damage because of enclosing the laser beam path such that NO radiation exposure to the eye is possible than do so. Although critically important, the ...