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Responding To The Queries About Pulsed Red Light Therapy

Introduction

Responding To The Queries About Pulsing In Red Light Therapy

Red light therapy is a gentle technology and entails red light with very few light wavelengths either pulsing or remaining constant target and enhancing our cell’s performance and ultimately, improving the health in different kinds of ways.

Definition Of Pulsed Red Light Therapy

This is known as pulsing red light therapy, which is the exposure of the body to intermittent flashes of red or near-infrared light rays within the ranges of 600-1000nm of the electromagnetic spectrum. Light is transmitted in pulses, unlike the continuous beam that has very short intervals of blank.

Pulsing induces photobiomodulation into cellular processes in different sessions. Once the pulse is over, several reactions are generated in mitochondria, the cellular system, as well as on the molecular level, where they continue throughout the dark stage till another pulse initiates the process afresh. It is believed that the pulsing light makes the process more effective than constantly non-lightening.

Their pulses are normally short, not more than 0.1 seconds on and 1-5 seconds off. The rapid pulsation replicates the body’s typical biological rhythms, as well as optimizing the cellular metabolism for effective stimulation. The pulse frequency, intensity, and duty cycle used in different devices depend on the target area and purpose of the application.

What Is The Difference Between Light Flicker And Pulsing?

Albeit pulsing red light technology and light flicker share intermittent light exposure in their operation, they function differently. These include much faster oscillations in the 10 – 30 Hz range (known as “flicker”) that may affect patients, causing irritation and visual disturbances.

The pulsed red light comes at a low frequency of about 1Hz or no visible flickering. It glows just for a short period to instigate cell processes then shuts down to accommodate reacting processes during darkness. It helps in reducing heat and eye strain, and therefore increasing beneficial effects that reach into the deepest tissues.

Flicker may also be too overstimulating for retinal cells causing vision disruption and headaches. It (pulsating red light) penetrates directly into tissue without affecting the retina. Unlike other conventional visual aids, it imitates natural biological pulsations to promote normal functioning as opposed to bothering the eyes.

Does Pulsing Work In Red Light Therapy?

Does Pulsing Work In Red Light Therapy?

Several studies have found pulsing red/NIR light to be more effective than continuous light for various applications:

  • Wound Healing: Scientific research confirms that pulsed light positively affects the healing process of a wound to a greater extent than constant illumination.
  • Pain Relief: In many independent clinical trials, pulsing demonstrated similar or better improvement of chronic joint and muscle pain than continuous light.
  • Inflammation: Research has shown that pulsing light is more effective in reducing inflammatory markers such as TNF-alpha, IL-1β, and COX-2 than non-pulsed light.
  • Skin Rejuvenation: In clinical trials, pulsing light showed better improvements in collagen density, skin elasticity, and wrinkle reduction compared to continuous light.
  • Hair Growth: After 16 weeks, one of the trials, revealed a significant increase in hair growth in the terminal hairs of the scalps of men as compared to non-pulsing light.

Briefly, yes, pulsed red and infrared light have greater benefits compared to continuous light for several therapeutic purposes as per recent studies.

Why Did It Become Popular With Red Light Therapy?

Ten years ago, more controlled clinical trials were being done on different pulsing parameters in pulse red light and near-infrared light, and as a result usage of pulse red light and near-infrared light started gaining momentum. Researchers found that pulsed light synchronizes better with mitochondrial and cell membrane oscillations.

With the discovery of more benefits came adjustable pulsed devices based on scientific evidence for red/NIR therapy developers. It enabled the development of distinct treatment protocols for various ailments. Pulse soon turned into an acceptable method of treatment and the leading practice of regenerative light therapy.

Red LED Light Therapy Versus Laser Therapy

While both red LED light therapy and low-level laser therapy (LLLT) use photobiomodulation in the 600-1000 nm range, there are some important differences when it comes to pulsing:

  • Intensity: Tens of milliwatts are the power output of LED light while lasers can get up to several hundred milliwatts. High-intensity lasers, pulsing balance matters!
  • Beam Profile: LED arrays are used for providing broad beams of diffused light, while lasers emit concentrated, coherent beams of light. The use of pulsing treats bigger zones using LEDs.
  • Heating Effects: There is more potential for thermal damage resulting from the utilization of high-duty cycles or frequencies with lasers. Pulsation ensures the cooling down of tissues as required.
  • Eye Safety: Direct LED exposure at low doses does not injure the eyes. Certain lasers may require eye protection with some specific pulsing protocols in the eye vicinity.

Thus, in general, although both modalities successfully employ pulsed PBM, lasers should be cautiously pulsed because of their high intensity and heating effects that may result if not properly dose–controlled. Users are assured of safety as LEDs are flexible.

Red Light Therapy Devices With Pulsing Options

Many popular red and infrared light therapy devices on the market today feature adjustable pulsing capabilities based on the latest research:

  • RedDot EST-X2 LED: PEMF medically modified laser for wound/injury healing.
  • RDPRO SERIES: Home-led allows users flexibility in pulse frequency. Different needs & lengths for pain; skin as well as sleep.

Enabling users to steer vital pulsing elements boosts individualized, evidence-based light treatment in line with particular medical objectives as well as strategies. This optimization enhances results.

What Are The Side Effects Of Pulsing?

Pulsing occurs with no report of serious side effects when the input parameters do not exceed the accepted safe limit. Some possible minor and transient side effects may include:

  • Transient increases localized blood flow: some users experience light redness, warmth, or tingling sensation during and after pulsing light therapy sessions. This subsides quickly.
  • Eye fatigue or eyestrain: some high-frequency pulsing patterns above 1 Hz might trigger subtle eye irritation in sensitive users’. Usually, low intensities are eye-safe.

Generally, pulsing red/NIR light therapy is well-tolerated if one uses an approved medical device by safety standards. Pulsing resembles natural bodily oscillations and circadian rhythms. Therefore, scientists have not established that severe side effects exist.

Scientific Support

Here are some links about pulsing in light therapy:

Effect of pulsing in low-level light therapy

Photodynamic photorejuvenation of the face with a combination of micro-needling, red light, and broadband pulsed light

Low-level laser (light) therapy (LLLT) in skin: stimulating, healing, restoring

So in summary, the reproducible positive results from large controlled investigations provide compelling scientific validation for the mechanism and clinical efficacy of pulsing parameters in red/NIR light therapy applications.

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