Sunglasses vs. Aviators — What's the Difference?

Sunglasses or sun glasses (informally called shades or sunnies; more names below) are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes. They can sometimes also function as a visual aid, as variously termed spectacles or glasses exist, featuring lenses that are colored, polarized or darkened.

One who operates an aircraft; a pilot.

A convex lens used to focus the sun's rays and produce heat, especially for ignition.

Plural of aviator

Sunglasses Eyeglasses with tinted or polarizing lenses to protect the eyes from the sun's glare.

Aviator sunglasses

Tinted glasses worn to protect the eyes from the sun.

(colloquial) A person wearing sunglasses

Spectacles that are darkened or polarized to protect the eyes from the glare of the sun;