M'zaka zaposachedwa, chithandizo cha kuwala kwa LED chatchuka ngati chithandizo chosasokoneza komanso chothandiza pazovuta zosiyanasiyana zapakhungu. Chimodzi mwa zida zodziwika bwino za mankhwalawa ndi makina opangira kuwala kwa LED a PDT, omwe amagwiritsidwa ntchito kwambiri, kuphatikiza ku China. Imadziwikanso kuti Photodynamic therapy (PDT), chithandizo cha biolight ichi chimagwiritsa ntchito kutalika kwa kuwala kwa LED kulunjika pazovuta zosiyanasiyana zapakhungu, ndikupangitsa kuti ikhale njira yochiritsira yosinthika komanso yopindulitsa.