Advances in phototherapy for psoriasis

Light therapy for psoriasis shows a favorable clinical efficacy mainly dut to its specific immune effect, of which, new targeted phototherapy with the 308 nm excimer laser and new treatment regimen are effective with long-term relief. Light therapy combined with biological preparation has been successfully applied for the treatment of refractory psoriasis. In addition, the portable phototherapy equipments have also been developed and put in clinical utilization.