Also the light therapy lamps are more effective because they emphasis light that s in the blue end of the spectrum 5000k 6200k.
Sad light therapy 10000 lux.
But a lower intensity light box such as 2 500 lux may require longer sessions.
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.
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.
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That more closely matches normal daylight which can be as high as 100 000 lux.
Sad therapy treatment lights should provide illumination levels stated in lux at a given distance.
It is all a question of light and distance.
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For optimum 10000 lux treatment you must use it at or around the distance stated by the manufacturer.
Happylight 10 000 lux light therapy lamp.
For some people this intensity of light can appear too bright while others may want to use their happylight for a longer period.
Put that bulb just 20 feet away and we will be struggling.
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