Originally Posted by
estnet
All this is true in the US, but NOT at airports overseas (eg SIN, NRT) where contact lenses solution is not exempted from the 100 ml limit

I disagree - I travel through NRT regularly (and also SIN, HKG, SYD) and I have no problem with any size.
I'm travelling in a couple of hours with a 150ml bottle today and predict I will have no issue.