Question

concealing their eyes, the judges could appear more neutral as they questioned witnesses and defendants.
people made improvements to eyewear over the next several hundred years. different lenses were invented for various uses, including vision correction. but sunglasses didn’t become popular until the 20th century. the first mass - produced, inexpensive sunglasses designed for sun protection were made in the united states by a man named sam foster in 1929. foster sold his shades in atlantic city, new jersey, and the glasses quickly became a hot fashion item.
centuries have passed since judges hid their eyes behind dark shades, but many sunglasses wearers still sport the accessory for the same reason. dark sunglasses help police officers, security guards, and undercover law enforcement officials keep an eye on their surroundings without alerting others to where they’re looking. the glasses also conceal their emotional reactions in tense situations—so they can do their jobs without revealing their feelings, much like the judges in 12th century china.

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Answer:

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