catch sb's eye

Definition

› to get someone's attention: A sudden movement caught my eye.Making people excited and interestedInspiration and inspiring C2 to get someone's attention, especially by looking at them: I tried to catch the waiter's eye, so we could order.Making people excited and interestedInspiration and inspiring C2 to be attractive or different enough to be noticed by someone: It was the unusual colour of his jacket that caught my eye.Making people excited and interestedInspiration and inspiring

(Definition of catch sb's eye from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)