REACHING TARGET TISSUE
The key to achieving success in arthritis is ensuring a sufficient amount of light (number of photons) reaches the target tissue. Simply, deeper tissue structures require a higher dose of light energy delivered at the surface of the skin.
Depth of penetration depends upon the power (W) delivered at the skin’s surface and the size of the area being treated (irradiance= W/cm 2 )
The distance from the skin’s surface at which the light is delivered also impacts the penetration depth. Therefore, delivering light directly in contact with the skin is the most efficient way to maximise light transmission to target tissue.
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