He felt his left eye clench in upon itself and, like a snail, withdraw, shift.

The Vulcan's eyes clenched tightly shut, and he realized with a certain horror that she was right.

The man did not blink; the eyes in the fire clenched him.

And then he turned toward the wall again, his eyes still clenched tight.

The mouth hung limply open, the eyes clenched tightly shut.

He held her very tightly, his eyes clenched in on the trembling in his own body.

His blue eyes lighted with sudden understanding and he clenched his hand on the tool.

His eyes clenched and he gripped the table.

His eyes clenched uselessly upon the demon-image looking through their lids.

The young man was praying, his eyes clenched tightly, his arms waving gently upward.