に目を

one’s eyes or attention toward

→ に
phrase Uncommon #8,323
one’s eyes or attention toward Used before a verb such as 向ける (direct) or やる (cast); the verb completes the expression.
JA: 彼はその絵に目を向けた。
EN: He turned his eyes toward the painting.

私はジェームズに目をやり、小声で尋ねた。

I glanced at James and asked in a low voice.

彼はその絵に目を向けた。

He turned his gaze toward the painting.

彼女はそのドレスに目をとめた。

She stopped to look at the dress.