This site gives information on vision and hearing disabilities, and their prevention worldwide. UN resolutions on the prevention of visual impairment and deafness are available from the site as well as country profiles. E-mail enquiries are invited
At the end of March 2023, HI will no longer be in a position to maintain this website. Please respond to this call for expression of interest if your organization is interested in managing and developing Ask Source
This site gives information on vision and hearing disabilities, and their prevention worldwide. UN resolutions on the prevention of visual impairment and deafness are available from the site as well as country profiles. E-mail enquiries are invited
