Now Eye Know: Sunglasses

The video discusses the widespread use and history of sunglasses, emphasizing the importance of UV protection to prevent eye damage. It explains the difference between UV protection and polarization, highlighting that polarized lenses reduce glare but do not block UV rays. The video stresses the need for early protection against UV exposure, especially in children, and mentions Elton John's extensive sunglasses collection.

Which of the following professions is NOT mentioned as commonly using sunglasses?

• Movie stars

• Astronauts

• Chefs

• Presidents

What is the primary reason prehistoric people in the Arctic Circle used early forms of sunglasses?

• To improve hunting skills

• To protect their eyes from the sun

• To enhance their vision

• To follow a fashion trend

Why is it important to wear sunglasses with 100% UV protection?

• They are more stylish

• They protect the eyes from harmful UV rays

• They are more durable

• They prevent the pupil from widening

What is the main difference between polarized lenses and UV-protective lenses?

• Polarized lenses are only for water sports

• Polarized lenses reduce glare, but do not block UV rays

• Polarized lenses are more expensive

• UV-protective lenses are always polarized

At what age is it most critical to protect your eyes from UV exposure?

• During childhood and teenage years

• In your 30s

• In your 50s

• After retirement