Glasses have a rich history dating back to the 12th century, initially used primarily to conceal expressions in court. Interesting facts include that the world's most expensive sunglasses sold for $250,000 belonged to Elvis Presley, and annual retail sales of sunglasses in the US amount to $34 billion. Additionally, polarized sunglasses were invented in 1936, and as many as 4 million pairs of eyeglasses are discarded in the US each year.

1. 15 Interesting Facts about Glasses

2. INTRODUCTION
Glasses were introduced to the world first time in 12th century or before
this in China. But these glasses were unable to shield the eyes from
sunlight or any other glare. According to the available sources, it is
explained that these glasses were used by judges to hide their
expressions when they ask questions culprits or witnesses. This was the
history of glasses now we come to some interesting facts about glasses,
some of which are hard to believe-

3. FACTS
➔ The famous Hollywood movie named Matrix has an interesting
record about sunglasses. The most number of actors wore
sunglasses in this in any movie is Matrix. And the more
interesting this is that all the protagonist wore rounded lenses
and the antagonist wore rectangular lenses.

4. ➔ The costliest sunglasses on eBay were at the rate of $250,000
which is Elvis Presley’s personal Madison SQ garden sunglasses.
This was not the quality of the glasses which made it so
expensive; it was Elvis Presley behind, who was known as king
of rock and roll.

5. ➔ Another strange thing about glasses is, in the US someone
breaks, loses or sits on a pair of sunglasses in every 14
minutes.

6. ➔ Did you know that annual market of sunglasses at retail is
$34 billion as I can also see around me that there is a boom
to buy sunglasses, spectacles, frames and buy sunglasses
and when you Google it you will find that many other
countries also have the same situation.

7. ➔ The polarized sunglasses that you see around you, were
invented in 1936 by Edwin H. Land, who made this by doing
experiments with his patented Polaroid filter.

8. ➔ A roman emperor Nero used emerald as binocular to watch
gladiators games .

9. ➔ Did you know that the first prescription lenses were built in
13th century in Italy. This was made of glass and these
were actually contact lenses.

10. ➔ When citizens of some African countries want to buy
eyeglasses then they will have to spend more their 3
month’s salary.

11. ➔ Almost 4 million pair of eyeglasses are dumped in the US in
a single year.

12. ➔ Did you know that most of these things you say glasses, are
really made of plastic.

13. ➔ The first thing invented as an eyesight aid was known as
reading stone. It was invented around 1000 AD. This was
useful for who were suffering from far-sighted. It worked
like an amplifying glass. In this device, you have to put a
sphere on the top of the writing and it amplifies the letter
thus it helped people to read letters.

14. ➔ Today people use eyeglasses to improve vision of the eyes.
But you would wonder to know that in past many soldiers
or pirates used to wear a golden earrings to improve their
eyesight.

15. ➔ No one knows that who is inventor of glasses.

16. On eBay mens sunglasses are sold in every 90 seconds.

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