Blue Laser Protection Glasses For 650nm Red Light Laser Pointer
Product name:Blue Protection Glasses
Protection Wavelength: 200-540&800-2000nm
Protection Features: All-round absorption
Visible Light Transmittance: 60%
Optical Density: OD 5+
Body color: Red
Size: Approx. 18 x 5 x 5 cm
Laser injury for eyes
Eyewear is the body's most sensitive organ of the laser. Characteristics of the laser, the energy in space and time allows the highly concentrated. As a focusing lens glasses effect, so that the unit area suffered retinal laser energy than the amount corresponding to the high incidence of corneal nearly 10 times. Good monochrome laser strong in the eyes of the very small difference. Because pulsed laser injury is much faster than the blink reflex (eye blink reflex time is typically 150-250ms, while the pulsed laser can be as short 10ms), coupled with the extreme moment, in a very small area, energy focus on the release, even low doses of laser irradiation can cause serious injury to the cornea or retinal.
Different wavelengths of the glasses lesion
WavelengthDivision Wavelength Range (nm) primary lesion
UV laser 180-400 cornea
Visible laser 400-700 lens
Near-infrared laser 700-1400 retina choroid. Lens
In the (far) infrared laser 1400-10600 cornea
The principle of laser glasses
Laser protective glasses with light absorption principle: its light is not selective, it is safe PROTECTION diffuse light; incident angle of the light source is not selective, specific bands can be full protection of the laser and the light, the light and rapid response, decay rate is higher, the surface afraid of wear, even with scratch, does not affect the light security.
Package included:
1 x Blue Laser Protection Glasses
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| Shipping from Chinese Warehouse | ||
|---|---|---|
| Airmail and register airmail | Area | time |
| United States,Canada | 10-20 business days | |
| Australia,New Zealand,Singapore | 14-28 business days | |
| United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland | 14-28 business days | |
| Brazil | 15-35 business days | |
| Russia | 15-35 business days | |
| Other countries | 14-28 business days | |
| Priority Direct Mail | Austria, Belgium,Denmark,Finland,France,Germany,Greece,Italy,Netherland,Portugal,Spain,Sweden | 7-10 business days |
| United States | 6-9 business days | |
| United Kingdom | 5-10 business days | |
| EMS | 10-15 business days to worldwide | |
| Expedited Shipping | 5-8 business days to worldwide | |
NOTE: Netherlands Direct Mail has been combined into the Priority Direct Mail. If you are in a European country; simply choose Priority Direct Mail and it will be shipped via Netherlands Direct Mail.
*Expedited shipping can not be used for PO Box addresses
In addition, the transit time depends on where you're located. If you want to know more information, please contact the customer service. We will settle your problem as soon as possible. Enjoy shopping!
