Drupal-Bibcite0<style face="normal" font="default" size="100%">PrevenTing Falls in a high-risk, vision-impaired population through specialist ORientation and Mobility services: protocol for the PlaTFORM randomised trial</style><style face="normal" font="default" size="100%">PrevenTing Falls in a high-risk, vision-impaired population through specialist ORientation and Mobility services: protocol for the PlaTFORM randomised trial</style>