High Index Lens Thickness Chart

For example, the latest Transitions technology or polarized color option will undoubtedly be an option for polycarbonate lens material first. Most updates to high-index lens add-ons roll out half a year to per year later. Most people can’t perceive the colour distortion at these levels. In this situation you want to straight through the lens at an object before you. In the reality, of course, you do perform eye movements behind the lens and you might look over the lens in an askew way.

Conventional lenses will have a curved surface in the front, which increases as p…

Impact

Polycarbonate lenses were initially useful for safety glasses and now this material is actively found in making kids glasses, sports glasses and for almost every prescription. 1.59 index offers optical clarity and in addition 100% UV protection. Polycarbonate and Trivex offer your patients a safer lens and in lower powers will rival the thinness of ultra-high index materials. There is also a significant cost savings that could be attractive to consumers. Savvy eyecare professionals should match some great benefits of thinner and lighter lenses with their patients’ budget must come up with the best value equation. When the glasses frame isn’t chosen optimally thinner lenses won’t make a huge difference.

of this most high index lenses come with an anti-reflective coating as a typical option. It’s around 10X more impact-resistant than high-index lenses and is therefore the ideal lens material for sports protective eyewear and children’s glasses. When compared to other lens materials, high-index nor polycarbonate are recognized to provide the ultimate in optical clarity. The real winners are materials such as Trivex, CR-39 and Crown Glass.

Other Factors Affecting Lens Thickness

worry about the appearance of your lenses and you will gain a larger selection of frames from which to choose. In accordance with this table, a lens with an index of 1 1.74 could possibly be around 50 percent thinner than a regular plastic lens having an index of just one 1.50, with exactly the same optical prescription. The refractive index is the number that represents how efficiently a lens material bends light, and is dependent on how quickly light travels through the material. Our goal is to make shopping online for your next pair of glasses easy and convenient. Magnetic sunshades are regular glasses that come with a polarized sunglass clip, which attaches to the frame with magnets. The refractive index of any substance may be the speed of light for the reason that substance when compared to speed of light in vacuum pressure expressed as a ratio.

• So, if you need the thin, attractive eyeglasses, choose lenses manufactured from a material that has a high index of refraction .
• Basically, the edge of your lens is take off, being sure not to hinder your field of vision.
• The same attribute which allows high-index to be thinner, helps it be heavier.

1.61 high-index lenses offer an ultra-thin option for all those looking for a modern, stylish look. Able to be fitted into thin frames, 1.61 high-index lenses are perfect for everyday wear. The bigger the index of refraction the thinner the lenses will be. With all of the great tools available in today’s optical marketplace, we can reduce thickness and weight by 20 to 50 percent based on Rx factors. Let’s take a look at what’s on the menu for the lens reduction plan. The 1.74 high index lens may be the thinnest option available, designed for those with the highest prescriptions, and is the best option for those who have a high prescription.

Also, as opposed to lenses for nearsightedness which are thicker on the edges, lenses for farsightedness are thicker in the guts. With regular lenses, this can significantly magnify your eyes and may make you feel a bit self conscious sometimes. If you have a solid prescription and are searching for thinner, lighter lenses with a more attractive appearance, high-index lenses are the way to go.