Therapeutic light method

Details Therapeutic light method Therapeutic light method

1993-06-11

1995-09-05

Graham, Mark S.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Light application

A61N 506

Patent

active

054475279

ABSTRACT:
A therapeutic method of using a lamp comprised of a fixture for retaining a light bulb in a position to be viewed by the eyes of a patient, apparatus for restricting the wavelengths of light emitted by the light bulb to those between 490 and 520 nanometers, and apparatus for restricting the light energy irradiance to between about 1.8 and 200 microwatts per square centimeter over at least the eyes of the patient. The restricting apparatus can be a narrowband light transmission filter or the phosphor of a fluorescent bulb. By the use of this lamp, the effects of seasonal affective disorder (SAD) or other chronobiological disorders are reduced or eliminated without substantially encountering the side effects of hypomania, irritability, nausea or agitation previously found.

REFERENCES:
patent: 4858609 (1989-08-01), Cole
Wirz-Justice, Light Treatment of Seasonal Affective Disorder in Switzerland, Acta Psychiatr. Scand. 1986:74:193-204.

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