Camp's visit, ahead of a state visit to the island by Iran's President Mahmoud Ahmadinejad later this month, was part of the US government's regular consultations with the Sri Lankan government.
The statement quoted Camp as saying the US would continue its dialogue the government, as well as the lines of communication it maintain with Sri Lanka's political, business, and civil society leaders.
"Many of the issues we discuss are difficult ones, particularly on human rights and the resolution of the conflict, but the U.S. will remain engaged in the hope of seeing progress."
The statement said Camp also welcomed initial measures to demobilize child soldiers of a breakaway faction of the Tamil Tigers now allied with the government.
He "urged progress on human rights, and stre