­­­­­­­­­­­­­­­­Could PhotoMed’s algorithm help your patients with previously untreatable pain?

Usually not, in 2 out of 3 cases, this therapy doesn’t work either.

But 1 in 3 cases do improve significantly. Link to evidence (Links are usually technological, and jargon loaded)

As nerdy engineers, we don’t have a clue why. Neither do our advisory anesthesiologists and neurologists. Neuroplasticity? Quantum entanglement?

Invasive medicine has been doing a very good job of relieving acute pain for a long time. Not so much for chronic pain.

Non-invasive therapies relieve chronic pain. Not so much for acute pain.


When the therapy fails to benefit, besides disappointment, there are no side effects.

It’s just light.

What’s the big deal?

Non-invasive therapies prompt the neural systems to return to their default functions.

Your chances for ending the non-responsive pain may not appear good statistically.

But at least you and your patient won’t have to wait long to find out if you got lucky.


Did PhotoMed Technologies invent light therapy?

No. The PhotoMed team of engineers, anesthesiologists, and neurologists did not invent the basic visible light therapy.


Danish Dr. Finsen researched the curative properties of different wavelengths for different disorders. He found a couple of wavelengths that worked well on different disorders.

For this, he received the Nobel Prize for Medicine in 1903.

Dr. Finsen also found that no single wavelength worked for every disorder. Just like medications.

He found blue and red wavelengths the most interesting wavelengths. The other wavelengths were not as highly researched.

In 1903, Dr. Finsen obviously lacked the tools to test what each of 282+ individual wavelengths might or might not accomplish? To say nothing of sequences of wavelengths.

PhotoMed’s team of nerdy engineers built the tools that would have fascinated Dr. Finsen. They thought that access to all visible wavelengths might improve the practitioner’s batting average.

The team invented an efficient algorithm that uses feedback for selecting different visible wavelengths that might prompt relief. The algorithm tests two wavelengths or a sequence of wavelengths to relieve unresponsive pain. AI meets medicine.


PhotoMed’s Vari-Chrome® Pro provides the operator with efficient access to 282+ visible wavelengths, with no missing wavelengths.


Instant Feedback System™ software specifications. The Instant Feedback System™ software, Version 11, integrates visit data management. Version 11 lets you record narratives, questionnaires, physiological responses which show the precise time when the therapy works, and outcomes. The system crunches through and records up to 5Gb/minute.

What is the evidence?

As engineers, we don’t understand how to measure pain. Pain is a lousy marker because changes typically occur too slowly for making during-visit adjustments to therapy.

The algorithm helps the practitioner choose settings for the Vari-Chrome® Pro. If your first choice doesn’t work, try a different wavelength.

The logic is the same as for medicines, except for being 3 orders of magnitude faster.

Note that the light stimulation in this example was applied to locations around the head & neck but not to the hands. Wouldn’t Einstein call this “spooky action at a distance”?

You can reproduce warming responses and pain relief in your clinic for patients with certain pain syndromes. The response may predict later pain relief as abnormal limb temperatures return to normal.

Warning: medical jargon ahead in links.

Link to directory of observations:

  • Sensory system impairments

  • Motor system impairments

  • Thermal / vascular system impairments

  • Non-healing wounds



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