For Dr Roberto Spierer precision is everything – and it has to be. He does, after all, perform operations as a plastic surgeon and hand surgeon, often working with a microscope. In the following interview he talks about how he restores damaged nerves and how plastic surgery can help victims of accidents to achieve a better quality of life. In the Department for Hand, Plastic and Aesthetic Surgery at the Vivantes Auguste-Viktoria Hospital, operations are performed both on German and international patients.