The Concepts of Light Therapy

Light therapy is also known as phototherapy or heliotherapy. In this therapy, one is exposed to daylight or to specific wavelengths of light using polychromatic polarized light, lasers, light-emitting diodes, fluorescent lamps, dichroic lamps or very bright, full-spectrum light. The light is given for a decided amount of time and, in some cases, during a specific time of day.

What are the effects of this therapy?

The major use of this treatment is for the treatment of skin disorders, chiefly psoriasis, acne vulgaris, eczema and neonatal jaundice. When light is showered on the retina of the eyes it is mainly to treat circadian rhythm disorders such as delayed sleep phase disorder and is also used to treat seasonal affective disorder. There are some evidences that link light therapy to psychiatric treatment.

How does it work?

The therapeutic process of illumination has been proven to have several known physiological effects, though the exact mechanisms are still unclear. Our blood contains a light sensitive hormone called melatonin. Blood levels of melatonin are rapidly reduced by light exposure. A person’s body clock controls the daily rhythms of body temperature, hormone secretion, and sleep patterns. The amount of light given shifts or delays these processes as they are controlled by melatonin. These physiological time shifts are the basis of the therapeutic response. Light may also amplify the day-night difference in these rhythms.

What are the mediums of application?

Light bulbs and units are one of the only ways through which this therapy is administered. They come in various sizes and colors. Depending on the type of light that has to be given, different units are designed.

What are my options?

• The Carex Day-Light Classic Plus Therapy Lamp emits the maximum dose of 10,000 LUX of glare-free white light at 12 to 14 inches. Height and angle of the lamp are easily adjustable and the pedestal stand projects light downward. Two light settings, therapy and task, make the lamp versatile option for users who want the bright light therapy brand.
• The NatureBright Sun Touch Plus Light and Ion Therapy Lamp bathes you in sky effect light while simultaneously releasing healthy negative ions into the atmosphere. It simulates the actual healing effect of a natural waterfall or rainforest, which abound in negative ions. It lift your spirits with the combination that balances your body clock, leaving you feeling rested, refreshed, and nourished all over.
• The Led Technologies Revive Light Therapy Pain Relief System is the most advanced healthcare product for your body. It uses a form of energy called Photons to penetrate deep into the body easing pain and repairing damaged tissues. Ideal for relaxation of muscles, relief of muscle spasms, relief of minor muscle and joint aches, and relief of pain and stiffness associated with arthritis.
• The Northern Light Technologies SADelite Desk Lamp is a bright light therapy product which delivers bright light by combining high-output fluorescent tubes with a large high-performance parabolic reflector. This results in a highly efficient unit that draws only 85 watts, yet delivers 10 000 lux. It can also be used at home or at the office, for any task that requires bright lighting.

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