Yes. Asians like staring contests. It's a polite way of saying hello, I think.

yhow?
 

how will it cause problems?

I have never been treated to so many smiles upon making eye contact.

I found Tokyo very warm and friendly.

I talk about this as a tourist and not a resident which is another thing entirely.

Thanks, guys! You've all been really insightful. So eye contact is the way to go? I'll have to try that...