Therapeutic lamp

Details Therapeutic lamp Therapeutic lamp

A - Human Necessities

61

N

240/169

A61N 5/06 (2006.01) A61M 21/00 (2006.01)

Patent

CA 1334399

A therapeutic 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 shorter than about 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. By the use of this lamp, the effects of seasonal effective disorder (SAD) is reduced or eliminated without substantially encountering the side effects of hypomania, irritability, nausea or agitation found using high intensity reduced spectrum or broad spectrum light.

597948

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