light therapy

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The use of certain segments—in particular, the visible range—of the electromagnetic spectrum as a therapeutic modality. Light therapy may act via the hypothalamus, which releases neurotransmitters and releasing factors, after receiving impulses from retina
Formats Full spectrum light—e.g., sunlight, bright light—2 to 10,000 lux, UV light, coloured light, haemoirradiation
Fringe medicine No peer-reviewed data support claims that light therapy is effective in treating AIDS, alcoholism, Alzheimer’s disease, arthalgia, asthma, bulimia, cancer, depression, drug abuse, dysmenorrhea, fatigue, hair loss, headaches, high cholesterol, hostility, immune dysfunction, infections, insomnia, strokes, tooth decay, or other conditions
Mainstream medicine Intense light therapy may be effective for seasonal affective disorder (SAD), and shiftwork-related sleep disorders
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

light therapy

1. The use of certain segments–in particular, the visible range of the electromagnetic spectrum as a therapeutic modality; LT may to act via the hypothalamus, which releases neurotransmitters and releasing factors, after receiving impulses from retina Formats Full spectrum light–eg, sunlight, bright light–2 to 10,000 lux, UV light, colored light, hemoirradiation Mainstream medicine LT may be effective in seasonal affective disorder–SAD, and shiftwork-related sleep disorders. See Bright light therapy.
2. Bright light therapy, see there.
3. Heliotherapy, see there.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

light ther·a·py

(līt thār'ă-pē)
The therapeutic use of ultraviolet, colored, and laser lights to reestablish diurnal rhythms and alleviate pain and depression.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Both Sierra and Kate use light boxes (check out girlslife.com/iti for our guide) and swear they're game-changers.
Using multiple iPad applications, measured and divided by difficulty and genre, the iPad was introduced to the participants as a tool similar to the Light Box. Following a similar study conducted at Auburn University, directed by Margaret Flores (Auburn researchers using Apple iPads to help children with autism spectrum disorder, 2010), optimum applications were used that elicited activation and interaction.
Light boxes cost around PS100, and the affected person sits in front of them and can work or read as normal.
But if you've noticed a correlation between bad weather and bad moods, light box therapy can be a valuable tool for recovery.
Ms Pavlovich said: "To be effective, the light box has to be used daily during the autumn and winter period.
Alaska Northern Lights, with 10 employees in Reno, Nev., has sold more than 30,000 light boxes since the early 1990s, when Neil Wagner started the enterprise in Homer.
But after another three weeks, during which the men and women no longer used the light box, the difference between the two groups was even more pronounced.
The light box has the advantage of extremely bright light behind a diffusing front panel, which allows the person to sit from 18 to 24 inches away comfortably, facing in the direction of the box without incurring eyestrain.
"I decided to decorate the light box to make it seem like there's nothing there but the dead flies - almost as ifsomeone had forgotten to put something in there and that flies had gathered there instead.
According to Carmanah, the i-PANEL light box technology eliminates approximately 7,000 pounds of carbon dioxide emissions annually.
It offers 30 frames/second output, 16X optical zoom, a flexible free arm, and a built-in color monitor and light box. The document camera is Restriction of Hazardous Substance compliant.