English Objective: to assess the knowledge of blind women about the risk factors for breast cancer and whether they look for early detection of this cancer. Methods: a quasi-experimental study with 72 blind women distributed in focus groups. Data were collected through interviews. Results: few participants had knowledge about one or more risk factors for breast cancer, but most practiced early detection. Health education was developed using breast kits and demonstration of breast selfexamination. It was obtained qualitative improvement of knowledge of the participants about breast cancer, its risk factors and early detection practices. In addition, participants demonstrated breast self-examination confidently. Conclusion: we need to develop in a harder manner educational activities to clarify about breast cancer risk factors and the importance of periodically carrying out breast self-examination, clinical examination and mammography.