Author:Ndhundhuma, IM; Falzone, N; Dam, JSDate:Aug 2008Photodynamic therapy (PDT) can be defined as the combination of a light sensitive drug known as a photosensitizer and visible light of specific wavelength. PDT is carried out by administration of photosensitizer either systemically, locally, ...Read more
Author:Karsten, AE; Singh, A; Ndhundhuma, IMDate:Jul 2011In order to apply light treatment to skin, the absorption through the outer layers of the skin needs to be considered. Darker skin has a higher concentration of melanin in the epidermis and absorbs more light than fair skin. Ideally the effect ...Read more