London boy with rare eye condition backs sight loss appeal
Avi Krishnan, 13, from Pinner, lives with achromatopsia and sees in shades of grey. He and his family are championing Fight for Sight's Christmas appeal for vital research funding.
Avi Krishnan, 13, from Pinner, lives with achromatopsia and sees in shades of grey. He and his family are championing Fight for Sight's Christmas appeal for vital research funding.