I could tell by the way he learned toward me, his eyes focused on my face.

There were others behind him, but her eyes could only focus on his face.

He tried to focus on her face, and nothing came.

Her eyes opened and then slowly focused on his face.

He opened his eyes, and seemed to focus on her face.

Jack was focused on my face, his own dark and serious.

For the first time, I really focused on his face.

I frowned at him, and tried to focus on his face.

He seemed to focus on her face all at once.

Then, as he focused on her face, she looked away.