Hmm, not sure the nature of the question regarding Cushitics or Nilotics? I was more trying to illustrate that Haplogroup K(xLT) is upstream of O, so round eyed Oceanic people, like Aboriginese and Pacific Islanders, are closer to traditional mongoloid haplogroup O, than San are... closer geographically too. I tend to think the similar eye features are concurrent evolution, like blondeness in Europeans and Pacific Islanders.