Choosing the correct laser safety eyewear can be a bit of a difficult task. The wrong laser glasses will not only increase your problems but also result in fatal eye hazards. The harmful laser radiation can penetrate the eyes and damage vision. In most severe cases, it can make you blind.
Therefore, selecting the proper safety laser eyewear is necessary to prevent harmful laser rays from entering your eyes. In fact, various parameters should be considered when buying the perfect laser safety glasses.
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Terms Related to Laser Safety Eyewear
1. Optical density
Optical density refers to the amount of light absorbed by the lenses. Lenses prevent harmful laser rays from directly hitting your eyes. Different lasers have different impacts on the human eye.
2. Modes of operation
It is also essential to determine the mode of operation of the lenses. Lasers operating with different methods will have other characteristics. Thus, you would require different eyewear for different modes of operation.
3. VLT (Visibility Light Transmission)
Visibility light transmission is the amount of visible light allowed to pass through an optical lens. The higher the VLT, the lighter the lenses will be and vice versa.
4.) Wavelength
Harmful UV radiation from lasers consists of wavelengths ranging from 180 nm to 400 nm. The visible region has radiation with wavelengths ranging from 400 nm to 700 nm, which is known as visible light. The infrared part consists of wavelengths ranging between 700 nm to 1 mm. The visible and infrared radiation passes through the cornea and results in several eye diseases. Laser safety eyewear prevents the entry of UV rays and reflects them to the source.
Why Laser Safety Glasses?
Laser safety glasses having the perfect Wavelength, optical density, and visible light transmittance (VLT) can help prevent the harmful radiation emitted from the laser from entering your eyes and damaging your vision.
They reflect the harmful rays, thus saving your eyes from direct exposure to harmful lights. They even prevent glares that are produced due to the hitting of bright light on the eyes.
Quick tips on choosing the correct laser safety glasses:
Learn the Wavelength of your laser
Determine the required protection level
Select the Optical Density of the lens
Choose the filter matching the above specifications
Select the highest visible light transmission
Lastly, find the perfect frame according to your face.
Our Top 3 Picks for Laser Safety Eyewear
1.) IPL Laser Protection Goggles: Most Affordable Laser Safety Eyewear
This laser-safety eyewear is ideal for broad-spectrum protection having a wavelength ranging from 200 nm to 450 nm. It helps in absorbing the harmful radiation emitted by laser equipment. The optical density of these lenses is >5.0, (OD +4) and the VLT is >55% for blue light, >80% for a red light, and >40% for green light.
However, if you need minimum protection, go for IPL laser protection goggles. They can’t offer protection for more than 450 nm lasers. Still, it is a decent buy in the minimum price range.
Features:
Optical density: 4+
Wavelength: >200 nm
VLT: >55% blue light, >80% red light, and >40% green light
Budget-friendly
Good looks
2.) Professional Laser Safety Glasses: Best Laser Eyewear With Optical Density 6+
These laser safety lenses range from 190 nm to 490 nm, and the optical density is OD 6+. Their visibility light transmittance (VLT) is 55%, which is pretty impressive.
This eyewear for laser safety is rated under European standards: EN207: 19988 + A1EN207: 1998 + A1: 2002. They are also compatible with 275 nm, 365 nm, 405 nm, 445 nm and 450 nm laser lights. Moreover, it features a pretty cool design.
Features:
Wavelength: 190 nm to 490 nm
Optical Density: 6+
VLT: 55%
Gives eye protection
Stylish design
3.) Cloudray Laser Safety Glasses: Best CO2 Laser Eyewear
These laser safety glasses are fibre laser lenses with a 10.6 um or 10600nm wavelength. The optical density of this glass is 4+ and 6+ (you can choose according to your requirements). These laser eyewear are best for CO2 laser cutting and engraving machines.
Lenses from both sides are replaced by high-quality frames to give it a stylish design. It features added silicon lanyards in grey colour. The slight tint on these glasses resists bright flashes emitted from material burning.
You can use the straps to give the glasses a tight fit as per your requirements. Finally, the CE ratings ensure the durability and safety of the glasses.
Features:
CE certified
Used standard: EN 207:2009+AC:2011
VLT: 28%
OD: 4+, 6+
Wavelength: 10600 nm
Grey lanyards
Final Words on Laser Safety Glasses
Remember, our eyes are one of the most sensitive parts of the body. Its safety stands supreme. So, pay attention to the protection! Take your time reading this article to understand different aspects before buying your laser safety eyewear.
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