The First Law of Photodynamics states that light must be absorbed to be effective. For light to be absorbed it must have the right level of intensity at the skin. This intensity is called irradiance. Irradiance over time is a common measure of the PBM dose, which we calculate in Joules. Think of a joule like 10 milligrams of aspirin.
Lasers produce coherent or highly focused light. Lasers can cut and burn and they can penetrate deep into cells to help reduce pain in joints. Cold Lasers are non invasive lasers that might be better used to penetrate deep into a joint and reduce pain in that joint.
LED Light Therapy Beds produce incoherent or scattered light in very intense yet specific light therapy energy (wavelengths). An LED Light Therapy Bed can be intense enough to penetrate 2 – 4 cm into the body and be absorbed by the tissues, organs and systems of the body creating systemic change.
In addition, LED Light Therapy Beds deliver the correct dose of energy because the distance is relatively precise with an adjustable canopy. On the bench we know exactly how far the LEDs are from the skin. On an adjustable canopy we can pull the lights closer to a thin body and leave them open for a thicker body. So while lasers provide coherent focused energy, LED Beds produced relatively accurate dose specific and multiwave energy in coherent light.
Infrared light penetrates farthest (depper tissues, organs, and bone), Red’s penetrate the skin (dermal layer and wound healing) and green and blue are more intense energies that have lower levels of penetration yet may affect surface and wound healing more positively.
Studies have shown that LASERS and LED’s can have similar effects depending on the intensity. Lasers are much more effective for invasive procedures designed to cut or burn and they can be more effective in relieving deeper joint pain. LED’s are non-invasive (do not cut or burn) but researchers suggest that the right dose can have similar pain relieving benefits with the addition of systemic benefits.
LED Light Therapy Bed’s may affect the entire body by reducing inflammation, improving cellular detoxification and circulation of nutrients. This broad root cause benefit of light therapy can affect nearly every tissue organ and system in the body. You just get better!
Disclaimer: The FDA has concluded that due to the inherent safety of low level light therapy, light therapy devices may be offered OTC for relief from minor aches and pains. The ARRC LED makes no claims as to the effectiveness of its devices other than minor aches and pains. Statements expressed within this site have not been evaluated by the Food and Drug Administration. Any and all information and/or statements found within this site are for educational purposes only and are NOT intended to diagnose, treat, cure, prevent disease or replace the advice of a licensed healthcare practitioner.
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