I've been carrying a 4oz bottle of contact solution (Boston Advance) since the exemption was added shortly after the liquid ban started last August. Flying 4 to 6 times per month, I haven't even had it questioned once.

The only problem that I've had is that 90% of the time the TSA agents don't want me to declare it, they say just go on through with it with my <3.0oz liquids.