Each theater seat was equipped with an attached viewing device supported by a gooseneck stand.

Wilson said as he peered through a filtered viewing device.

When the proper viewing device is used, a hidden 3D scene emerges from these random dots.

The viewing device displays these images in rapid succession, usually 24, 25, or 30 frames per second.

A surgeon inserts a viewing device (laparoscope) into one incision.

Could it be a viewing device?

He uses a "mechanical viewing device" to present his depiction of technically aided vision.

Another approach is to expand the size of a single virtual screen beyond the size of the physical viewing device.

An examination of the interior of the nose and sinus drainage area with a special viewing device called an endoscope.

The 3-D viewing device had two filters with the colors reversed, green for the left eye and red for the right.