It sounds obvious, but preventing falls to begin with is Critical.
Check out this link for some great ideas from this internationally recognized balance training class to help maintain your balance. https://www.mobulstore.com/stepping-internationally-recognized-balance-training-class/
Or review this checklist from the Center for Disease Control to assess risk factors for falling. https://www.cdc.gov/steadi/pdf/fall_risk_checklist-a.pdf
Despite best efforts to stay strong and maintain balance, sometimes an assist is necessary. Consider:
Bed Canes and Rails
Camera systems that can be remotely monitored
PERS: Personal Emergency Response Systems. There are a variety of options in this category.
Many communities offer fall prevention resources. Mobül University offers an annual class. In Long Beach, for example, Heart of Ida offers a range of fall prevention classes. http://www.heartofida.org/index.html