After a lower-leg fracture, here's the balance training progression a PT compadre of mine gave me:
1) stand on one foot for 3 minutes w/o touching
2) #1 + close your eyes
3) stand on one foot for 3 minutes w/o touching while lifting yourself on your toes
4) #3 + close your eyes
Two important points:
1) this primarily stresses your CNS. Thus, it can be done as often as you'd like.
2) You move to the next progression when you've completed the previous one.
Remarkably, even on my uninjured leg, I could only do #1 when I started.
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