M'zaka zaposachedwapa, chithandizo cha kuwala kwa LED chatchuka ngati chithandizo chosavulaza komanso chothandiza pamavuto osiyanasiyana a khungu. Chimodzi mwa zipangizo zodziwika kwambiri pa chithandizochi ndi makina ochizira kuwala kwa LED a PDT, omwe amagwiritsidwa ntchito kwambiri, kuphatikizapo ku China. Amadziwikanso kuti photodynamic therapy (PDT), chithandizo cha biolight ichi chimagwiritsa ntchito mafunde enieni a kuwala kwa LED kuti athetse mavuto osiyanasiyana a khungu, zomwe zimapangitsa kuti chikhale njira yothandiza komanso yothandiza yochizira.