one's line of sight; one's gaze; one's eyes (looking); glance; gaze; look
彼女の視線が気になって集中できなかった。
I couldn't concentrate because her gaze was bothering me.
視線を外さずに相手の話を聞いた。
I listened to the other person without looking away.
舞台に立つと観客の視線が一斉に集まる。
When you stand on stage, the audience's eyes all focus on you.