How thin are Trivex lenses?

When paired with a quality AR your patient will have a great looking and clear pair of lenses. And supplying a thinner lens option to your patient will most likely win the sale and increase overall patient satisfaction making use of their new pair of glasses. All lens materials block some light from passing through the lens. This light reflects back from the lens surface, causing distractions and reducing the clarity of night vision. Aspheric lenses are created with flatter curves and also have a noticeably slimmer profile than regular plastic lenses. High-index lenses are specially helpful when you have a solid eyeglass prescription for nearsightedness, farsightedness or astigmatism. The difference high-index lenses make in turning thick glasses to thin glasses can be quite dramatic in case you have a strong prescription.

It is this mix of thermoplastics and thermosetting plastics that give Trivex its strength. The molecules of thermoplastics come in lines or long chains with very few linkages between them.
I’ve been searching the net for exactly this kind of coverage and this level of thoroughness and clarity. As you’ll remember from earlier, a minus prescription means the lens will have thicker edges. Still exactly like the weaker prescription, because again, this is the thinnest point of the lens. Again, our thickness measurements are only an estimate for your glasses because there are so a great many other factors that influence the precise measurements. Even though many websites offer steep discounts on lenses and name brands, oftentimes, prices have already been marked up beforehand to appear more heavily discounted.


With high index lenses, these people can now easier fit their stronger lenses in the same stylish frames as those with much weaker prescriptions. Tyler was surprised to discover that the weight is virtually the same over the board despite different prescriptions and lens materials. Aside from CR-39, that was slightly heavier, we can determine that weight isn’t an enormous element in what lens material you pick.

  • Exactly what are high index lenses, and what are the differences between polycarbonate vs. high index lenses?
  • You will notice more clearly and be able to use many more frames with high index lenses, but you can also hit a point of diminishing returns.
  • High index lenses work by bending light better than their conventional counterparts.
  • The lens manufacturers that produce Trivex lenses have developed methods of combining PPG’s thermoplastic and thermosetting monomers when casting their lens designs.
  • He has covered different medical specialties from infectious diseases and pneumology to breast cancer and plastic surgery.

It combines good optical quality with the lightest weight material which will meet FDA impact resistance as thin as 1.0mm. Trivex material will be the only two materials that meet up with the ‘high impact’ requirements of the ANSI Z-87.1 – 2003 for occupational lenses. Higher-index material offers lighter and thinner glasses lenses, making them an excellent option for glasses wearers with a strong prescription. Impact-resistant lenses are recommended for children’s glasses, safety glasses, and sports goggles, along with rimless and half-rim glasses because of the great impact resistance. Most lenses are plastic , but the least expensive plastic used for eyeglass lenses is called CR39 hard resin lenses.

Trivex Prescription Lenses

Lens Size – The entire width and height of one’s lenses can have a considerable impact on the thickness of the lenses themselves. When buying frames at Zenni, the lens width and height are predetermined in line with the frame you choose. Apart from choosing frames based on factors like style and face shape, it’s also advisable to shop based on size, plus your eye doctor’s recommendations. High index lenses with 1.74 high index will be the thinnest lenses out there, and are made only for people with the best prescriptions. If your prescription is lower than +/-6.00 sphere, you don’t have so you might spend the extra money for an ultra high index lens.
Conventional glass or plastic lenses reflect about 8% of light that otherwise would reach the attention. High-index lenses can reflect up to 50% more light than regular glass or plastic lenses. Lens materials which have a refractive index greater than standard CR39 plastic (1.50) and regular glass (1.52) are believed high-index lenses. Polycarbonate lenses came about in the 1980’s following the material was developed and utilized by the aerospace industry in the 1970’s. It has incredible impact resistant abilities rendering it a great choice for bulletproof glass and fighter jet cockpits among other activities.
When she’s no longer working, Dr. Huang loves reviewing new skincare products, trying interesting food recipes, or hanging

They are easily considered the best in lightweight lens technology and provide unparalleled clarity and sharpness alongside incredible durability. The vast price range is set partly by the eyewear retailer or brand you choose but can be blamed mostly on the exponentially increasing costs of higher index lenses. Simply put, the bigger the index number, the thinner the lens, and the more you can expect to pay. High index lenses are also known because of their superior strength and so are second and then polycarbonate in durability and impact resistance. Determining which lens is right for you can be a bit confusing but note that the higher the index number, the thinner and lighter the lenses are.

67 Preferred For Prescriptions Over +

For the fashion-conscious, lenses offering optical quality, lightweight comfort, strength and protection are always in style! Trivex material is really a perfect fit for several frame designs, and it is especially well-suited for rimless (drill-mount) and semi-rimless styles. Polycarbonate lens material is the better choice for children, active adults, and sporting activities. Polycarbonate lenses are virtually shatterproof, supply the best eye protection of any lens, and includes 100% UV protection inherently. If the sphere on your prescription is +/-3.00 or higher, you should choose polycarbonate lenses. Polycarbonate lenses have become difficult lenses to tint and are not recommended for people who want custom dark sunglass lenses .
Should you have any questions about eyeglass lenses (or any optical topics!), just ask among our friendly opticians! We are always happy to demonstrate demo lenses to help you actually see what we have been describing in this article.

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