• as the macula break a Ultra Powerful Laser Pointer hole

    We provide Laser Pointer high quality with low price.Stable laser power 3000mw, irradiation distance of more than 7000m.Laser Pointer aerospace aluminum shell material, the laser pointer is sturdy, Its service life more than 8000 hours.Laser Pointer 3W uses a rechargeable battery, you can re-use. You can use it more than 500 times.The laser pointer is suitable for astronomy lovers and outdoor enthusiasts.We offer one-year warranty, 15 days or return (If our lasers are of poor quality), risk-free shopping. Welcome to buy our laser pointer.laser pointers powerful laser is very powerful, it can light a match, which can also be long-distance illumination.Laser stands for light amplification by stimulated emission of radiation, or light amplification by stimulated emission of radiation. The laser beams - usually to green light, now also red or other light sources are color- special whose waves do not propagate randomly in all directions, but traveling in bundles thin and parallel. They are successfully used in the medical field and in other fields of technology, for example to measure distances or identify the stars. Harmless ones, which can be sold to the public, have a capacity of less than one milliwatt, but sales are also pointers reaching 200 milliwatts, instead, should be directed only to medical and scientific purposes. These types of lasers can be dangerous, as they cause damage to the eye ranging up to detachment of the retina, even for very brief exposures. The Laser Class IV, or the most powerful, can even cut and burn the materials.

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    Dr Cheng told reporters, as the macula break a Ultra Powerful Laser Pointer hole burned, so there is always a shadow of things to see. Although only a small part of the whole retina, but macular bear more than 90% of central visual function, eye gather information richest and most sensitive areas, people often can see some details of objects, because these objects How was the the center of the macula, if this place is broken, there will be "to see where, but I do not see where" the
    http://www.lasereshop.com/laser-sight/p-29.htmlsituation."Here we have a laser pointer cheap and expensive, you have to what?" Lijiacun outside a primary school near a small sale of stationery and toy store, the owner is very warm reporters about the sale of two of their types of laser pointer. The mouth hung convenient laser pointer on the shelf toy, about the length of the fingers, with a metal buckle, the front part there are three lamp, in addition to emit a red light, but also with detector UV money and a small flashlight function, the sale price of 5 yuan. "This small popular among students, according to buy the kids cheap to play, but easily broken, another much larger for the professional, the price is a bit
    http://www.lasereshop.com/green-laserpointer/p-27.html'expensive. "After saying that is taken to another great laser pointer 500mw of power, the volume is about the size of a small flashlight, outside the box." The teachers are mostly bought used in class , strong light irradiation is even further away, but also changing patterns, 25 yuan. " Reporters saw, and not Chinese instructions on the box, and these two green laser pointers pen that also have Chinese identity, marked only with the English words "Danger (danger)," the limit of power output are marked as 5mw and 500mw.

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    Eyes Binbin "burn" injury, which is a known "refers to the star pen" high power laser pointer. Dr. Zheng repeatedly encountered such a case, had specifically find relevant information, we found that these "means star pen" portable laser 100 milliwatts of small, large up to 500 mW. "It refers to the star pen" to keep up with class instead of "pointer" Using the laser pointer is not the same class with the ordinary laser pointer, generally lower output power of 0.4 mW, will not cause eye damage, but not direct eye exposure."Tell their children, do not take the laser sights when the toy is irradiated with each other." Text to remember, but also equipped with a laser pointer in the picture, is this, Lee scared jump, and because no band money, Lee gave a few days ago to buy a 5-year-old pointer Green Dot Laser Sight Rifle son. "You send a green light can be irradiated very far, very nice, I think of it as a small flashlight, looked at the pictures before you know it is a pointer, did not expect the damage to the eyes so big!" Said Ms. Lee.

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    https://zh.scribd.com/doc/286605691/3w-laser-pointer-is-relatively-easy-to-do

    http://www.kiwibox.com/mengmengda/blog/entry/134368975/is-it-green-dot-laser-sight-rifle-strong/?pPage=0