What are Varifocal Lenses and why should I Consider them?
If you wear separate glasses for seeing long distance and reading, swapping and changing between the pairs can be a bit of a pain, right? Modern varifocals allow you to see everything from distance to reading in one pair. At Yates & Suddell we specialise in all types of varifocals and our knowledgeable staff can advise you as to your best option.
“All varifocals are bespoke aren’t they?” I hear you ask. Up to a point, you’d be correct in thinking this. Traditional varifocals are made up using an optometrists prescription which is unique to you and are accurately measured so that once glazed into your frame the different areas within the lens are in the ‘correct position’, also unique to you. These two processes put together result in a pair of glasses which enable you to see comfortably at all distances. That’s pretty bespoke, right?
Wrong! Traditional varifocal lenses work best only when fitted at very specific angles and distances in relation to your eyes. This means that lens manufacturers have to make some assumptions about how your selected frame will fit in an attempt to make sure their design gives you the best possible visual experience. If these assumptions are not met the result can be a perceived reduction in visual fields, increased distortion through the lenses and more head movement being required to look through the ‘correct part’ of the lens by the wearer.
The problem here is that, depending on the frame you select the assumptions lens designers make can be wildly inaccurate; when the lenses were designed the manufacturers didn’t know which frame you would choose and how it would fit on you, how big (or small) your nose is or how high or low your ears are on your head! How could they? All these things affect how the lens sits in relation to your eyes and as a result how well you will see through your new glasses. Suddenly things seem a lot less bespoke don’t they?
The good news is that, whilst traditional varifocal designs are still widely available we as eye care professionals can go much further with regard to making sure you get the maximum from your new varifocals regardless of how the frame you select fits you. The latest generation of varifocal lenses do not make assumptions about how the frame fits. Instead your optician takes very accurate measurements while you wear the frame and tells the manufacturer exactly how it fits. These measurements are then built into the design of the lens meaning you, the wearer, gets the best possible vision. Now that’s bespoke!
Call into your nearest Yates & Suddell opticians and ask about our range of bespoke varifocals.
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