They are usually no more than 500 lux.
10000 lux light therapy lamps.
For sad the typical recommendation is to use a 10 000 lux light box at a distance of about 16 to 24 inches 41 to 61 centimeters from your face.
That more closely matches normal daylight which can be as high as 100 000 lux.
Elegant energy boosting light at home taotronics elegant shell shaped therapy lamp effectively helps you combat gloomy mood sleep disorders rainy days etc and delivers a strong bright white light at up to 10 000 lux intensity while filtering out most of uv rays.
Light therapy lamps usually start at 2500 lux and go up to around 10 000 lux.
The day light classic plus by carex projects 10 000 lux of 99 3 percent uv free light from its 204 square inch surface the minimum lux that any sad lamp needs to be therapeutically effective.
Also the light therapy lamps are more effective because they emphasis light that s in the blue end of the spectrum 5000k 6200k.
They should deliver light at 10 000 lux about 20 times greater than regular indoor lighting according to the national institute for.
Happylight 10 000 lux light therapy lamp.
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Northern light technologies boxelite 10 000 lux bright light therapy light box black 4 1 out of 5 stars 210.
The lamp provides 10 000 lux of glare free led white therapy light.
Carex day light classic plus bright light therapy lamp 10 000 lux at 12 inches led sun lamp mood light 4 3 out of 5 stars 593 104 95 104.
With a broad surface to project the light from the lamp provides a full dosage of light from 12 inches away so that you don t have to sit right next to the lamp.
Light therapy devices are brighter than your average lamp.
But a lower intensity light box such as 2 500 lux may require longer sessions.
With a 10 000 lux light box light therapy typically involves daily sessions of about 20 to 30 minutes.
For some people this intensity of light can appear too bright while others may want to use their happylight for a longer period.
The suggested use of a 10 000 lux light box for 30 minutes is a guideline and it is suggested you start with just 10 minutes to gauge your own reaction to the bright light.