Their dome-shaped eyes are packed with multiple tiny eye elements topped with corneal lenses.

CNN: High-tech camera acts like a bug's eye

"The need for a tiny insect eye to gather lots of light and bring images into sharp focus on the receptors may explain the advantage of the eyes that deliver images in chunks instead of points, " says co-researcher Dr Elke Buschbeck.

BBC: 100-eyed bug surprises scientists

Sure, people might notice the tiny screen near your eye sparkling when they look closely.

WSJ: Google Glass: An Etiquette Guide