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}]