It needs a specific amount of light to form an image.

Again the image of David's face formed in her mind.

When he read, each word would form a graphic image.

As players clear more blocks, they will eventually form an image.

Still I began to form a mental image of the face behind the voice that spoke to me.

It had actually formed an image of her as a guy, and she really wasn't all that bad looking.

It was impossible to form an image of himself anymore.

As he stepped forward, his figure seemed to form a double image.

Imagination is the ability to form images of things or events in one's mind.

The main eyes at the front are capable of forming images.