Man has known about the therapeutic properties of light from many thousands of years. Our ancestors worshiped the sun for its life-giving warmth and the fact that it gives life to all creation. Without the light of the sun, our earth would merely be a cold shell drifting through space.
While plants have been able to harness the energy of light for millions of years, man has only been able to adequately harness these properties in the last thirty years. The development of the laser has allowed us to use specific wavelengths of light for therapeutic purposes. The development of the laser ushered in a new era in medicine, because it made available exceedingly pure beams of light of many different wavelengths.
Laser stands for Light Amplification by Stimulated Emission of Radiation. Every substance emits light of a particular wavelength, which is characteristic of that substance. This fact is made use of in the science of spectrometry. Spectrometry is the science determining the composition of a substance, by examining the colour of light emitted by it when it is heated. This is used by scientists to analyse light from the stars and predict their composition. A laser beam is obtained by stimulating a substance to emit a pure beam of light which has a definite wavelength, characteristic of that substance. The extreme purity of light obtained with a laser is not found in nature. This purity gives the beam its high penetration.
The wavelength and colour of light emitted by a laser is dependent upon the substance which is used to generate the laser beam. This may be a gas like helium, carbon dioxide or nitrogen; liquid like an organic dye; or a solid like a ruby.
The two types of lasers commonly used for laser puncture are the helium neon laser and the gallium aluminium arsenide diode laser. The therapeutic penetration of a laser depends upon its wavelength.
Helium neon lasers were the first lasers to be used in acupuncture. They generate a bright red light at a wavelength of 632.8 nanometers. A helium neon laser has a penetration of two to three millimetres and is best suited for the treatment of skin conditions. It is also used in children and in a few other conditions where the acupuncture points to be used lie close to the skin.
The Gallium Aluminium Arsenide lasers can generate different wavelengths of light depending on the ratio of gallium arsenide to aluminium arsenide. The 904 nanometer laser generates Infrared rays, which are invisible to the human eye and penetrate upto a centimetre. The 780 nanometer laser emits a beam, which is in the just visible range and can be seen as a faint red light emanating from the laser tip. This has a therapeutic penetration of two to three centimetres.
A normal incandescent light bulb, which we use in our houses, uses forty to hundred watts of electricity. The lasers used in acupuncture use one to six milliwatts. So ten thousand acupuncture lasers used at full power would be needed to give you as much light as a sixty-watt bulb. The light from an electric bulb contains a whole range of wavelengths, with a very low intensity of any particular wavelength. The waves of light are all radiating away from the bulb and are going in different directions. In contrast, the light from the laser is a very pure light with only one wavelength with all the waves travelling together in the same direction. This gives the beam its phenomenal ability to penetrate the body in spite of its very low intensity.
When a Laser is applied to the skin, most people do not feel anything, but some patients do feel a slight warmth, a throbbing or a tickling sensation. Many people are afraid that laser therapy will cause pain discomfort or heat, which does not occur with acupuncture lasers.
The lasers used in acupuncture have a very low intensity and cannot be felt at all. So, a single laser using such a small amount of energy cannot harm you. However, as it is a pure and highly focussed beam of light, it is able to travel through the skin to stimulate acupuncture points, which are located within a centimetre of the skin.
The treatment is quick, painless and effective. The average time taken to treat a patient is about five minutes. Each acupuncture point is stimulated for 15 to 20 seconds Treatment with a laser may take longer as compared to conventional acupuncture. If acupuncture can treat a backache in fifteen or twenty sessions, it may take twenty-five to thirty sessions to achieve the same effect with a laser.
The acupuncture laser is a small portable instrument, which operates on four 1.5-volt batteries and is a means of treatment known to be remarkably free from any side effects. The laser is an effective and safe alternative to conventional acupuncture for the treatment of a wide range of conditions. These include colds, sinusitis, earache, rheumatoid arthritis, osteoarthritis, asthma in children and thin adults, cervical spondylosis, backache, sciatica, anxiety, depression, myopia, and dysmenorrhoea (which is the pain caused during menstruation). It is also used to alleviate the pain of labour.
Laser therapy is also a useful means of treatment in eye disorders like myopia, cataract, and degeneration of the retina. In these conditions the acupuncture points on the hands and feet are stimulated using a low powered laser.
Technological progress has placed this important therapeutic tool in the hands of the acupuncturist. This has allowed him to weld together a five thousand year old science with the technology of the 20th Century, to stimulate acupuncture points painlessly and effectively in a few seconds.
More information on how Lasers are used is available in my book "Non-invasive Acupuncture" which details how Lasers & ultrasound can be used for treatment on Acupuncture points. The book is priced at US $ 30 for a Paperback copy & US$40 for a Hardback copy inclusive of Shipping charges.To order please send the money to my bank whose details are given below. The books will be despatched within 1week of receiving the funds.
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