He began to walk toward Alan, the red pinpricks in his eyes deepening.

But her eyes deepen in color a little, like skin that has been momentarily bruised.

The eyes deepened to blue as she regarded him.

His eyes deepened into amethyst, and across them came a mist of tears.

He smiled at her, his pale eyes deepened and warmed with sympathy.

His eyes deepened again; I'd seen the same thing in Tanya.

Ruth's eyes deepened to the dark purple of worry.

She arched an eyebrow, the glint in her eyes deepening.

His cold black eyes narrowed as the line between his brows deepened.

The bout turned around in the sixth when the fighters' heads appeared to hit and the cut over's Stewart eye deepened.