Are you concerned about your eye safety? Polycarbonate or Trivex lenses usually are the best choice for your eyeglasses, sunglasses and safety glasses.
Both polycarbonate and Trivex lenses are thinner and lighter than regular plastic lenses. They also offer 100 percent protection from the sun’s harmful Ultra Violet (UV) light and are up to 15 times more impact-resistant than plastic or glass lenses.
This combination of light weight, Safety and impact resistance also makes these lenses an excellent choice for children’s eyeglasses and safety glasses.
An antireflective Trivex or Polycarbonate lenses provide clearer and more comfortable Vision.
TRIVEX vs POLYCARBONATE a comparison
1 Weight. Trivex has a lower specific gravity than polycarbonate, making Trivex lenses about 8 percent lighter than polycarbonate lenses.
2 Thickness. Polycarbonate has a higher index of refraction than Trivex (1.58 vs. 1.53), so polycarbonate lenses are about 10 percent thinner than Trivex lenses.
3 Optical clarity. Trivex lenses have less internal stress and may produce sharper central vision than polycarbonate lenses. But Trivex lenses have a higher Abbe value and may produce sharper peripheral vision with less chromatic aberration than polycarbonate lenses.
4 Impact resistance. Polycarbonate and Trivex lenses have comparable impact resistance. Polycarbonate lenses are good for impact resistance.
5 UV protection. Polycarbonate and Trivex lenses both block 100 percent of the sun’s UV rays without the need for special Treatment.
6 Cost. The cost of polycarbonate and Trivex lenses can vary considerably, but many optical shops charge more for Trivex lenses than polycarbonate lenses.
7 Variety. Polycarbonate lenses are available in a wider variety of lens designs than Trivex lenses Eg Progressive lenses. Photochromic lenses are available in both Polycarbonate and Trivex materials.
Contact Keralaopticals.com for finding the right lenses for you. Wide selection of branded frames, Worldwide delivery.