I looked around but nothing caught my eye.

Literal

Eyes [obj-を] turned-and-tried but anything eyes [to-に] not-entered.

Two 目-idioms in one sentence: 目を向ける ('turn one's gaze') and 目に入る ('enter the eyes' = catch one's eye). ~てみたが ('tried doing but') uses ~てみる for an attempt that yields nothing.