This is typical Vietnamese beautiful eye: big black double-lidded eye with epicanthic fold (symbol of Asian eye fold) which covers the lacrimal caruncle so that the canthus looks like a Rostrum of a bird.
Btw, let me make a comparison with Western eyes by these picture:
Western eye in Asian black color.
Original eye picture of Westerner.
Vietnamese “Pigeon eye” in blue color.
Original Western eye picture (Brown eye)
Vietnamese “Pigeon eye” in brown color of Western eye.
Western eye in black color of Asian eye.