Researchers from the Retinal Dysfunction and Neuroinflammation Lab from the Coimbra Institute for Clinical and Biomedical Research (iCBR) of the Faculty of Medicine of the University of Coimbra (FMUC) will visit the Cryptoporticus of Coimbra using blindfolds to experience the living of persons that had lost their sight. They will be wearing green shirts to raise awareness of glaucoma. This activity will be posted on social media networks.