Eminyakeni yamuva nje, ukwelashwa kokukhanya kwe-LED sekuthole ukuthandwa njengokwelashwa okungahlaseli futhi okuphumelelayo kwezinkinga ezihlukahlukene zesikhumba. Enye yemishini ethandwa kakhulu yalokhu kwelashwa umshini wokwelapha ukukhanya kwe-PDT LED, osetshenziswa kabanzi, kuhlanganise naseChina. Okwaziwa nangokuthi i-photodynamic therapy (PDT), lokhu kwelashwa kwe-biolight kusebenzisa ubude beza obuthile bokukhanya kwe-LED ukuze kuqondiswe ezintweni ezikhathazayo zesikhumba, kukwenze kube inketho yokwelapha eguquguqukayo nenenzuzo.