This mudsplash effect prevents individuals from noticing the change between the two pictures.

But the wind kept shifting the leaves and prevented me from noticing any movement where he might be hiding, watching for an intruder.

Still no effort of will could prevent him from noticing sounds not normal to a ship working on a broad reach.

He turned slightly to prevent her from noticing the pistol.

If you believe it's worth that risk, then we'll do it, and try to do what we can to prevent anyone from noticing.

It kept at a sufficient distance to prevent Romine from noticing its presence.

But perhaps more pressing matters prevented them from noticing this.

Bingham's quick thinking prevented them from noticing a bag which contained $20,000 in jewels.

Jay slipped past her to take the lead and to prevent her from noticing the bulge in his pants.

Simply put, her power literally prevented almost everyone from noticing her existence.