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Photodynamic Therapy (PDT) is an innovative medical treatment that uses light-sensitive compounds and a specific light source to treat various health conditions. Over the years, it has gained recognition for being a targeted, minimally invasive option with fewer side effects compared to traditional treatments. PDT is widely used in dermatology, oncology, and ophthalmology, offering patients effective results with shorter recovery times.
The core principle of Photodynamic Therapy involves three key components: a photosensitizing agent, light of a specific wavelength, and oxygen. First, the photosensitizing drug is applied or administered to the patient. This compound selectively accumulates in abnormal or diseased cells. After allowing time for absorption, the targeted area is exposed to a controlled light source. When activated by light, the photosensitizer reacts with oxygen in the surrounding tissue, producing reactive molecules that destroy the abnormal cells while sparing healthy ones.
One of the most common applications of PDT is…