People have the opportunity to have their eyes checked with one-of-a-kind equipment for free, while helping to solve the mystery behind the leading cause of blindness in Australia. Even people with healthy eyes, aged 50 and over, are being encouraged to participate in the Queensland University of Technology study. Eye specialist and QUT researcher Dr Beatrix Feigl is embarking on the study to detect the early signs of age-related macular degeneration, a disease that progressively causes vision loss.