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nd uvb nb uvb
A UVB narrow band lamp emits light energy. Narrowband UVB phototherapy (UVB-NB) comprises a subset of the UVB wideband, or broadband, spectrum centered at roughly 311 nm. This is less than 1% of total range of wavelengths from sunlight. Narrow band UVB has been shown to be the optimal part of the UV light spectrum which slows growth of psoriasis lesions. Since the narrowband wavelength is shorter than broadband, exposure time to narrow band UVB phototherapy treatment lights can be increased.

Another clear advantage of narrowband UVB is that skin is most sensitive to erythemic response, (sun burning) at 297 nm, so narrow band phototherapy nearly eliminates this problem.

Psoriasis:

Research shows that Narrow Band UVB lights have a therapeutic advantage over traditional Broad Band UVB lights. This is because Narrowband UVB lights provide faster clearing, less sun burning, and more complete disease resolution.

Vitiligo:

Today Narrow Band UVB lights are proving to be very useful in the treatment of Vitiligo. Narrowband UVB light treatment is replacing traditional PUVA phototherapy treatment. UVB Narrow Band for vitiligo requires no photo-sensitizing agents.