If the flash's beam enters the eye from the side, it will bounce around inside without reflecting back.
The beam entered his iris and automatically adjusted to focus on his retina.
Light was around them for this side of Vulcan was toward the Sun now and a great beam entered.
The beam enters traveling approximately straight down the fiber.
Lasers in this class may cause damage if the beam enters the eye directly.
The two beams then pass a second half-silvered mirror and enter two detectors.
A beam of light had entered the alley and lay on the ground at her feet.
One beam entered from the left and one from the right.
On the simulation, a red beam entered the Ring of Fire, and the admiral held her breath again.
A beam of light entered the chamber, played across the cairn of skeletons.