Recently, a "10-year-old baby at a sight of permanent blindness," the news on the Internet and micro-channel spread circle of friends. Parents can't help but worry about the power of the green laser pointer exposure to the eyes really that big? Ophthalmologist reminded more than 780 nm infrared wavelengths damage the human eye the public should be careful to avoid looking directly into the laser pointer green 200mw.
Attend: Lectures of Green Laser Pointers Selling Real Estate
According to reports, Wuhan, a 10-year-old boy curious to see students playing laser pointer 5000mw, just walked over a bunch of red eyes directly, the boy froze a few seconds later, I feel like the right eye blocked by a large round black spot with , couldn't see anything. And later in green laser pointer the hospital for examination showed the results 1.2 left and right eye vision is only 0.2, there is a circular scar on the right lower macula is burning.
Green laser pointer
In real life, many people often come into contact with a Burning Laser Pointers, such as lectures, real estate sales will be used. Laser pointers for hidden dangers that most people don't realize. Huang said, real estate agent, long range laser pointer, accurate positioning, very convenient. I heard there was so much laser pointer destruction, Xiao Huang said he was surprised. "In the future, when used to pay special attention, eventually many people will take the kids to look into real estate when they accidentally hits the child's eyes in trouble."
Question: Is it easy to buy a green laser pointer? The manual does not include packaging
Visited the reporter found that the blue laser pointer is available in the market. One of the goods in Jiangbei City, a stationery store, laser pointers are placed in the corner of the store. Shop said because the older style laser pointers, fewer people buy. Reporter carefully, laser pointer slim shape, looks like a pen. Open the laser pointer, laser at an object immediately fired a bright red point. As a reporter playing laser pointers, light coming from the front, I feel a certain amount of glare. There is no instruction in the box that the business usually does not take care of the use of radiation in front of the eye.
In another stationery, sales of a variety of green laser pointers, laser pen also comes with a remote control computer functions. Presentation on the product packaging, 3000mw laser pointer red laser wavelength of 650 nm, the projection distance is more than 10 meters, priced at 80 yuan. "The blue laser pointer 10000mw is a relatively high price, but the quality is good, very durable, long range, the light is also very stable, not twinkled." Said the owner.
