1.67 vs 1.74 High Index Lenses: What Are Their Differences
Mon, Dec 06, 21 By : KoalaEye Optical
High index lenses are eyeglasses lenses that are designed to be thinner and lighter than regular lenses. High-index lenses have a high refractive index than their conventional counterparts. High index lenses are recommended for people who have significantly high refractive errors and strong prescriptions for nearsightedness, farsightedness or astigmatism. High index lenses are thinner, lighter and more appealing than standard lenses, but they come in several different indexes such as 1.67 high index lenses and 1.74 high index lenses. In this post,...

High index lenses are eyeglasses lenses that are designed to be thinner and lighter than regular lenses. High-index lenses have a high refractive index than their conventional counterparts. High index lenses are recommended for people who have significantly high refractive errors and strong prescriptions for nearsightedness, farsightedness or astigmatism.

High index lenses are thinner, lighter and more appealing than standard lenses, but they come in several different indexes such as 1.67 high index lenses and 1.74 high index lenses. In this post, we will focus on the 1.67 high index lenses and 1.74 high index lenses.

1.67 vs 1.74 High Index Lenses: What Are Their Differences?

In this section, we will show you the differences between 1.67 high index lenses and 1.74 high indexes.

  • 74 high index lenses are thinner and lighter than 1.67 high index lenses.
  • 74 high index lenses are expensive than the 1.67 high index lenses.
  • Both 1.67 and 1.74 high index lenses can reduce the eye distortion caused by strong prescriptions, 1.74 high index lenses perform better than the 1.67 high index lenses.
  • As for the color of lens, both come in clear, gray-tinted and brown-tinted, but only 1.67 high index lenses come in Transition brown or gray.
  • 74 high index lenses are better for those looking for the thinnest lens possible. So, patients with extremely strong prescriptions chooses this.
  • 67 high index lenses are better for those looking to save money or those who do not have extremely high prescriptions. They are also the only choice if you are looking to get Transitions.

From the above information, you can find the main differences between these two lenses are price, thickness, weight, color options and general appearance. Most people who choose 1.67 high index lenses generally either do not have an extremely high prescription or are shopping on a budget. 1.74 high index lenses, on the other hand, are the thinnest and lightest plastic lenses currently in existence.

To sum up, this post from Koalaeye Optical has shown some differences between 1.67 and 1.74 high index lenses. If you have any different ideas for the differences between 1.67 and 1.74 high index lenses, share them in the comment zone. If you have any problems with glasses, please feel free to contact us via the email service@koalaeye.com and we will reply to you as soon as possible.

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