The team of the 'Development Service of German Optometrists' consists of German opticians who put their hearts and hands into other cultures for a few weeks in order to work there with full commitment. As a rule, there is a comprehensive, months-long preparation period, followed by follow-up support to ensure success. This form of commitment is our tried and tested 'classic', but we are happy to open our development service network to also offer colleagues the opportunity to sustainably promote their projects. As opticians (masters), we like to share our knowledge with people in developing countries. Together with trainees, we set up workshops with the most necessary equipment. A second effort is often required to ensure success. Our goal is to empower people in their home countries so that they can be successful there. In many poor countries, training and medical care continue to pose major challenges. However, we firmly believe that access to high-quality optical training should not be hindered by obstacles. With full respect, we strive not to just implement 'our' systems and retreat, but rather to understand the way people think on site and leave processes that work.