From Longman Dictionary of Contemporary Englishsharp-eyedˌsharp-ˈeyed adjective SEEable to see very well and notice small details My sharp-eyed mother had already spotted him.
Examples from the Corpus
sharp-eyed• She had pretty hair - she was small and sharp-eyed.• A sharp-eyed assistant took down his registration number and contacted the police.• But Mrs Pigdon was a sharp-eyed dame for all that.• He liked the smooth-featured, sharp-eyed man, despite the reek of sweat and exertion.• With the whispered warning, the three sharp-eyed men no longer seem so harmless.• Two sharp-eyed readers spotted the mistake.• Inevitably, the history of Massalia was one of sharp-eyed vigilance against her neighbours.• She was waved on by a sharp-eyed young officer, who boasted he could smell a smuggler from fifty yards away. 