There are other investment strategies outside the market that can give you good to excellent returns. Once you are over 50 you need to diversify and start moving assets into safer strategies. I personally advocate using Annuities as you can get them in a variety of terms that fit your situation. Yes, they have their drawbacks as with any investment, but as a investment tool they can be a good strategy against a falling market. Real Estate is always a good place to put money, no matter what, everyone needs a place to live. If you fear losing your shirt, there are even many mutual funds that are heavily leveraged in REITs and will do very well in a falling market.
I'm just one guy, but I don't see this as being nothing more than a hickup and we will be back in cheese and wine. The real fall is still yet to come.