Assertion: light therapy | /r/CapableOf | use either a light box
Facets:
Source sentences:
text: Light therapy uses either a light box which emits up to 10,000 lux of light at a specified distance, much brighter than a customary lamp, or a lower intensity of specific wavelengths of light from the blue (460 nm) to the green (525 nm) areas of the visible spectrum.