Consumer Education (CDM) - Sunglasses

Sunglasses provide eye protection from what type of light?

• Ultramicro

• Ultracobalt

• Ultraradon

• Ultraviolet

UV light can cause damage to the eyes. Which one of the ones below is known to cause the most damage?

• UVA - Short wavelength

• UVB - Shorter wavelength

• UVC - Midrange wavelength

• UVD - Dynamic wavelength

The darker the tint, the more UV protection.

• True

• False

What is the minimum blockage % to qualify as GOOD UVA/UVB protection?

• 75%

• 85%

• 95%

• 99%

If you are on a high snow mountain or in extremely bright sunlight, a UV-blocking sunglass should block how much visible light?

• 50-60%

• 61-74%

• 78-83%

• 92-97%

A frame size labeled as "52 - 18 - 140" means that what part of the frame is represented by the 52

• Length of the temples

• Height of the lens

• Width of the bridge

• Width of the lens

Which of the following frame materials is easier to adjust to the wearer?

• Plastic

• Polycarbonate

• Metal

• Nylon

Polarized lenses are those that

• Are only used at the North or South Pole

• Reduce glare for the wearer

• Reduce UVA or UVB light

• Eliminate Blue light from computers and phones

In general, glass lenses are thicker than plastic lenses?

• True

• False

A lens that changes from clear to tinted when exposed to sunlight are called

• Transgression

• Progressive

• Photochromatic

• Translation