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In this section we have put together a list of frequently asked questions about the types of lenses that are currently available. If there is anything you want answered that you can't find here, give us a call or drop us an email.


  • What does single vision and varifocal mean? What’s the difference?
  • Single vision means the lenses provide just one type of focus for the eyes. This may be for distance or for reading, and sometimes for specific intermediate (midrange) use such as computers etc. Varifocals and other types of multi-focal lenses provide more than one type of focus in the same lens. In the case of bi-focals, this is distance and reading, or with varifocals this is distance, intermediate and reading combined.
  • Do I need varifocals?
  • The best person to ask is your optician. If you are not sure if you already wear varifocals then there is a good chance that you don’t. They are often a lot more expensive than single vision and the optician would have spent some time discussing them with you.
  • What is the difference between distance, intermediate and near lenses?
  • They are as follows.. Distance correcting lenses which can be referred to as everyday lenses, are used by people who have trouble focusing on objects at a far distance. If you wear glasses for driving or watching TV then they are probably distance correcting glasses. Near vision lenses which are used in reading glasses are used to correct vision for people who have trouble focusing on close up objects, such as books. Intermediate glasses are most frequently used by people who spend a lot of time looking at the computer screen or other such activities at arm's length.
  • What’s the difference between + and - & what does it mean?
  • This is a very similar question to the one above. Minus lenses are typically for distance glasses and plus lenses typically for reading glasses, although there are exceptions. Minus lenses start thin in the middle and get thicker at the edges, while plus lenses start thicker in the middle and get thinner at the edges.
  • Is it important that I completely understand all of the information asked in the previous questions about lenses?
  • No, like your optician we will look at your requirements and call to discuss these with you and explain in plain English what they all mean.
  • Why are some varifocals a lot cheaper than others, and how come some places offer free varifocals while others charge a fortune?
  • Basically it's that old adage, you get what you pay for. You can get free varifocals at some opticians and pay hundreds of pounds for some at another. There is justification for the extreme difference in pricing between the different types of varifocals available, but the great thing is that by coming to us even the most technologically advanced varifocals cost far less than they would from an optician.
  • So just how much better are high end varifocals to low end “free” ones?
  • Varifocal lenses, unlike single vision ones, have to provide 3 different levels of eye correction in a single lens. This is not an easy thing to do by any standard. Because it is so complicated, it is difficult to create the lens without some form of distortion. Lower end varifocals have a lot of distortion in them, in fact most of the lens is distorted leaving only a small area which actually works. High end varifocals, by manufacturers such as Essilor, Nikon & Seiko, have minimal distortion and the power strengths blend from one to the other far more naturally. We always recommend that you spend the absolute top end of your budget on varifocal lenses as you will notice a real difference between the mediocre variety and what's available at the top end. At the end of the day, if you’re a varifocal wearer then chances are you wear your glasses most of the time, so it is important that you invest in the best possible lens within your budget.
  • Can you provide all types of varifocals?
  • Yes, although we prefer to supply from the main manufacturers such as Essilor, Zeiss, Seiko, Nikon, Hoya etc. We can also supply the low-end types if required.
  • Are all single vision lenses the same quality?
  • No. Again we can supply generic lenses with any required coatings. But we can also supply premium single vision lenses with some of the best lens coatings available and made from optimum lens materials. For example, Essilor's Forte lens coating comes with a 2 year no quibble guarantee against scratching and damage.
  • Is there an advantage to buying higher quality lenses?
  • Yes, with varifocals the benefits are a better field of vision and natural ease of use. With single vision its clarity of vision and the general aesthetic appeal of a thin and light lens compared to the standard variety. The higher quality lenses also have much improved lens coatings which are better at reducing reflections, easier to keep clean and are much more scratch resistant. It's important for us to stress that we can supply lenses to suit all budgets and we can work with what you can afford. The fundamental difference between us and your high street opticians is the price you pay for the best available lenses on the market. If you put great value on your eyesight and want the best, but you resent the extortionate prices you have paid in the past, then reglazemyglasses.com is the site you’ve been looking for.
  • I think I am more confused now than when I was before?
  • Don’t worry. We are providing this information out of courtesy; we don’t expect you to use it to make a decision. When we receive your glasses we will analyse what you have already been wearing and we will then call you to discuss your requirements. We will then advise you of all the options. In plain English!

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