视力良好的,眼睛明亮的,头脑清晰的
clear-eyed
adj : mentally acute or penetratingly discerning; "too clear-eyed
not to see what problems would follow"; "chaos could be
prevented only by clear-sighted leadership"; "much too
perspicacious to be taken in by so spurious an
argument" [syn: {clear-sighted}, {perspicacious}]