How can you tell the difference between glass and plastic lenses?

How can you tell the difference between glass and plastic lenses?

When you look at the glass from the side it will have a green tint to it. (That's IF it is glass) A plastic lens will have a clear, whitish appearance. Another way of telling if it's glass, is use your teeth and 'knock' against it. If it's glass, it will make a bright, brittle sound.

Are Ray Ban lenses plastic or glass?

{In Short: Ray-Ban makes sunglasses in both glass and plastic lenses depending on the model you want to purchase. They come in glass and polycarbonate.

What is the best material for eyeglass lenses?

When eye safety is a concern, polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and sports eyewear. Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses.

Why are plastic lenses thicker than glass lenses?

Plastic lenses scratch easily due to their soft surface which is why a scratch resistant coating is applied immediately to these lenses. Plastic lenses can also be thicker than glass however there are thin plastic lenses are available but mainly ideal for higher prescriptions.