a form of blindness resulting from having travelled to a remote part of the planet, under very difficult conditions, only to realise that there's a tour group there. Expatriate myopia causes you to not see the tour bus, the group or any individual that may remotely come from where you're from. It's often accompanied by deafness. Usually contracted by backpackers...
Diane developed expatriate myopia in Bakit Lawang, having arrive there after a 23 hour bus trip, only to find that every room was taken by Australian Year 12 students on schoolies.