1.6 Vs 1.67 Lenses

Furthermore, your optometrist can accurately measure your pupillary distance , which ensures that your pupils are in the center of your lenses. If you look for eyeglasses online, you might have to find out your PD by yourself, and it will not be as accurate.

  • While high-index lenses could be good for certain optical prescriptions, they can also be more expensive than regular lenses.
  • and high index lenses function in the same way, high index lenses are created to bend light more efficiently — leading to thinner and lighter lenses.
  • ZEISS Officelens A complete portfolio of computer/office lenses which allows easy personalization to preferred working distances.
  • A 1.5 standard index lens is suitable for people with a weak prescription looking for an affordable option.
  • A scale used to rate the amount of chromatic aberration of optical materials may be the Abbe value.

D35 – A D segment lens with a wider near vision area, preferred by some individuals especially if you execute a lot of close work. An over-all purpose prescription that if you don’t are over forty and also have been prescribed a reading add your only prescription. For anyone with only a distance prescription these spectacles will do everything including reading. Multifocal lenses have significantly more than one focal length and could be subdivided into bifocal, varifocal and office type lenses. So you experienced your eyes tested and also have an updated prescription. We suggest having a look at our Understanding your Prescription section first.
They give you crisper and more detailed vision, while still protecting your eyes from UVA and UVB rays. Transition Brown Lenses- Brown lenses certainly are a great choice for optimized performance in all conditions. They enhance contrast and have a red element which supports your depth perception. Transition brown lenses are particularly popular when driving or playing sports since they protect your eyes from UVA and UVB rays while enhancing your ability to see in bright conditions.

Lens Thickness

R38 – A round segment lens with a wider near vision area, again we would generally only recommend these should you be already wearing them. Single Vision Lenses have an individual focal length and may be set for distance, reading or intermediate use.

With regards to your comment on chromatic aberration, being colourblind I’m never likely to notice that yellow and blue line. Yeah, the difference between 1.60 and 1.67 have wained significantly given that MR-10 is the ruling material used for 1.67. That, in conjunction with the leaps in bounds in AR; assuming you’re getting a good AR, you will significantly minimize the difference in chromatic aberration. One is suggesting I go with 1.6 rather than 1.67 as the optical clarity will undoubtedly be better.

How Do I Know Easily Need High Index Lenses?

Also, a higher refractive index can deal with higher prescription glasses. If your prescription is very strong, then higher lens index could be your best choice. Conversation revealed the patient works in a bank, runs on the computer screen all day and deals with the general public. Recommendations will include that AR lenses present a good appearance, relieve eyestrain from prolonged computer use and improve the appearance of rimless designs.
The manufacturer has hardly any to do with this, some companies have better coatings than others, however in terms of the material they are all going to be simply the same. Personally I do like hoya lenses and coatings, but that’s mostly a personal prefrence rather than professional optinion.

The lens index is really a numerical representation of the refractive capabilities of a lens’s material. Certain materials, especially those in high index lenses, have the ability to bend light more efficiently. This prescription/lens/frame combination could spell trouble. The truth that the lenses are decentered 7mm each and rectangular shape means the outer edges of the lenses would be very thick. It’s easier to avoid thick lens edges through careful frame selection and selection of materials whenever possible. There are various types of lens materials and they are used depending on amount of correction needed.

Our lens material filters out 99.9% of most UV rays, including UVA and UVB, protect your eyes everytime and everywhere at 400nm. While high-index lenses could be good for certain optical prescriptions, they can also be more expensive than regular lenses. High-index lenses contain a unique aspheric design which facilitates a flatter lens curvature, resulting in reduced magnification and improved appearance. Regular lenses for a solid farsightedness prescription can be quite heavy. High-index lenses however, don’t require just as much lens material and will result in more durable comfort.
High index lenses with 1.74 high index are the thinnest lenses on the market, and are made only for people with the highest prescriptions. If your prescription is lower than +/-6.00 sphere, there is no need that you spend the extra money for an ultra high index lens.
An appointment with the Rx-ing doctor would be a good idea before proceeding. GlassesUSA has a large choice of contacts, glasses, & sunglasses.

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