1,67 vs 1,74 reddit

3/3/2008

1.67 with AR for sure. View Entire Discussion (9 Comments) More posts from the optician community Mar 03, 2008 · I have 1.67 because my prescription is so extreme you can always see how thick my lens is (and I really don't care) but 1.74 will definitely be thinner. If you have the $40 and it matters to you, of course you should get the 1.74 🙂 3 level 1 Buying high index 1.67 vs 1.74 from online retailer. Few questions about it. A sub-reddit for all things eye related! 17.4k. Members.

26.11.2020

It has a medium distortion rate but is incredibly thin and light. It is extremely scratch resistant, and at the thinnest profile of any high index plastic, it is the most attractive. It is also available in more color and prescription options than many other high index lens materials. Aug 02, 2007 · >that this would be worse with the higher (1.74) refractive index. Nope. Abbe of 1.74 is 33, 1.67 is 32 (higher is better).

>that this would be worse with the higher (1.74) refractive index. Nope. Abbe of 1.74 is 33, 1.67 is 32 (higher is better). 1.74 is about 10% thinner. There is a bi-aspheric/atoric version of the 1.74 that might be a tad thinner but may not be available in the US. Consider Hoya's 1.70 index- better optics than the above, for those sensitive to

You may have to register before you can post: click the register link above to proceed. Nov 01, 2010 · 1.67 lenses are very good in plastic frames with prescriptions like yours. 1.74 will be a little thinner and lighter.

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It also depends on the frames you put the lenses in, the bigger the frames the thickness will be more apparent.

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Overview of all products Overview of free tools Marketing automation software. Free and Would you ever turn to Reddit for relationship advice? Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why trust us? This stuff is pure gold. Unlike friends who can only spend so m 22 dic 1986 (N.D.R.: Per gli effetti delle disposizioni del presente articolo v l'art. oneri deducibili, 53, 66 e 67, comma 1, lettere i) e l), spetta una detrazione dall'imposta lorda, non cumulabile con 4, comma 74 l 5 Aug 2013 People purchasing 1.67 high index lenses generally either do not have an extremely high prescription or are shopping on a budget.

Zenni, as example, sells very high index lenses (1.74) for about 80 USD upgrade cost. If you are already at -2.00 diopters or less, spending the extra money will make no noticeable difference for you. A mid index 1.57 is plenty in this -2.00 diopter scenario. The first step towards clearer vision is learning which lens index is right for you. Our chart explains lens indexes including 1,67 and 1.74 high index lenses.

This means high-index lenses bend light at steeper angles than standard-index, hard resin lenses. Nov 07, 2019 · If your glasses were made of a higher index material it will more than likely be liked as something like “Hi-Index/1.67” or “Hi-Index/1.74”. If you got polycarbonate and you had a higher index material previously this could be the reason why everything doesn’t seem as crystal clear.

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As the lowest “high index” lens, high index 1.67 is an economic choice for high index lenses, and it’s also high clarity. Oct 26, 2006 · 1. The 1.74 lens wasn't significantly thinner because it was made on a 0.25 BC instead of 0.00, like the 1.67.