Stages II and III AAF have not been reported. Anecdotally, there have been many reports from practitioners stating that up to 30 percent of patients with Stage II AAF only require an AFO for six to 12 months. They note that these patients remain asymptomatic without the AFO for months or years thereafter as long as they wear traditonal foot orthoses and proper shoes. - See more at: http://www.podiatrytoday.com/article/2584#sthash.Yt9DDQcs.dpuf