Recent breakthroughs in vision and hearing mean many forms of blindness and deafness may soon be reversible. This will not be greeted with universal acclaim. Deafness is not just a disability; it is a culture with its own language and history. For many in that community ‘cure’ equates to cultural genocide. With blindness, the issues are different, but just as difficult. Will a brain that learned to navigate without sight suddenly be able to make sense of visual signals? Join a vibrant discussion of cutting-edge technology and the lives it will impact.