OPINION: Integration unlocks killer applications for the wearables, and helps to make them look less conspicuous.

There are two forward-facing cameras on the front of the glasses – one camera at the far left and one at the far right – which capture a stereoscopic view of what's in front of the wearer.

Most of these smart glasses use what is called a waveguide technology to project visuals in front of the wearer's ... the lens also frees up the field of view from any prism distortion; and ...