We see her face and the image blurs to grey.

The image in the monitor blurred as the Telescope lost its lock.

His image blurred for a moment before I realized he'd moved his head.

The image blurred as her eyes filled with tears of joy and relief.

When he shook his head violently, the pervasive image blurred.

Then he blinked, and the image blurred to a swirl of snow.

Then the image blurred, time slipped through the lattice of her vision.

If they converge in front of or behind the retina, the image will blur.

Her image blurred in Adam's mind, and for a brief moment he fell asleep sitting at the card table.

His image seemed soft to her, wavering and blurred at the edges.