光こう線せん療りょう法ほう

noun, noun which may take the genitive case particle 'no'

phototherapy; light therapy

Medical treatment using light, such as for skin conditions or seasonal affective disorder. Used as a noun or with の to modify another noun.

• この病びょう院いんでは、乾かん癬せんの治ち療りょうに光こう線せん療りょう法ほうを行おこなっています。

  This hospital performs phototherapy for the treatment of psoriasis.

• 光こう線せん療りょう法ほうの効こう果かには個こ人じん差さがあります。

  The effectiveness of light therapy varies from person to person.