Class 4 is the highest and most dangerous class of laser including all lasers that exceed the class 3b ael.
Class 3b therapeutic laser.
We know it can be confusing.
By definition a class 4 laser can burn the skin or cause devastating and permanent eye damage as a result of direct diffuse or indirect beam viewing.
Cold therapy lasers are 95 effective for pain relieving and anti inflammation suitable for people amp.
The more powerful the laser the greater the chance of injury.
The affordable effective class 3b lllt 660mw 808nm handheld laser machine only we can supply the professional laser therapy protocols to help you get the better result.
Research has also shown tertiary and systemic effects occurring distal to the site of primary absorption of photons and of course for many applications deep tissue.
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A class 3b laser can be a distraction glare or flashblindness hazard for pilots and drivers.
These lasers may ignite combustible materials and thus may represent a fire risk.
Therefore a class 1m can be 100 times stronger than a class 2.
Class 1m lasers are limited to 500mw the same as a class 3b but cannot cause eye damage unless the laser is focused through a lens.
Laser classes lasers are classified for safety purposes based on their potential for causing injury to humans eyes and skin.
An 820nm wavelength delivered by a class 3b laser such as omega s will penetrate deeper than a 980nm wavelength regardless of laser class.
If the class iv laser is in the 940 980nm wavelength range then it will penetrate less than a class 3b laser in the 800nm to 900 nm range.
The evidence is the.
Use of laser protective eyewear is suggested or recommended depending on the laser s power level as discussed elsewhere on this page.
3b lasers have less stringent regulations rules vary by country and state.
Most laser products are required by law to have a label listing the class.
It will be listed either in arabic numerals 1 2 3r 3b 4 or in roman numerals i ii iiia iiib iv.
A comprehensive resource for safe and responsible laser use laser classes chart lasers are classified based on their potential for causing injury especially eye damage since the eye is most susceptible to excess laser light.
Taking into account the fact that class 4 lasers are often significantly more expensive than class 3b lasers it is important to consider what you wish to use your laser for before.
Namely theralase inc based out of toronto canada.
There are four main classes for visible beam lasers.
Class 2 class 3r class 3b and class 4.
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3b lasers are safer.
In conclusion a class 4 laser can only be used for therapeutic purposes if it is modified or used in such a way that it in essence behaves like a class 3b laser.
A class 3b laser can cause eye injury.