1. What materials are used to make sunglass lenses? Sunglass lenses are made from either plastic or glass. Plastic lenses are usually made from either plastic or glass. Plastic lenses are mostly made from acrylic, polycarbonate or CR-39.
2. Are darker lenses more efficient and strong then lighter lenses? This qeustion depends on the environment and amount of sunlight in that environment, but darker lenses should have a darker effect on your eyes, which usually blocks out sunlight, but glasses have two ways of working, they can either block out sun or reflect the sun away, these sunglasses are generally used for skiing to reflect the glare away caused by the snow. http://www.answers.com/topic/sunglasses
3. Are more expensive sunglasses neceserally stronger towards the sunlight? No, because most of the expensive sunglasses are used for fashion, although there are some sport sunglas brands that have strong lenses.
3 comments:
I think Nikolaos will find out some very interesting facts, about this topic
Research questions:
What materials are used to make sunglass lenses?
What brands out of the hosts, are bought more?
Are the more expensive sunglasses neceserally better quality?
Are darker lenses stronger then lighter ones?
Which sunglasses are better for your eyes?
What countries, looking at statistics, process more sunglasses because of the amount of sunlight?
1. What materials are used to make sunglass lenses? Sunglass lenses are made from either plastic or glass. Plastic lenses are usually made from either plastic or glass. Plastic lenses are mostly made from acrylic, polycarbonate or CR-39.
2. Are darker lenses more efficient and strong then lighter lenses? This qeustion depends on the environment and amount of sunlight in that environment, but darker lenses should have a darker effect on your eyes, which usually blocks out sunlight, but glasses have two ways of working, they can either block out sun or reflect the sun away, these sunglasses are generally used for skiing to reflect the glare away caused by the snow. http://www.answers.com/topic/sunglasses
3. Are more expensive sunglasses neceserally stronger towards the sunlight? No, because most of the expensive sunglasses are used for fashion, although there are some sport sunglas brands that have strong lenses.
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