If you are under 40 these words may mean nothing to you and if you are over 40 may be words you have heard people (especially us optician types!) using – but what are they? A bifocal is simply a lens that has 2 (bi) focusing distances (focal). The distances are usually made up as long distance and reading distance although there are many variations. This allows the wearer to see for far away tasks such as driving, television or for some people just essential for getting aro
There are a number of contributing factors why you may be constantly cleaning your glasses.
Fitting of your glasses If your glasses aren't fitting correctly, then you are more likely to be touching and adjusting your frame. If your glasses are fitting too close to your face, then your eyelashes may be touching the lenses which will cause them to mark and smudge. If you don't feel as though your glasses are fitting you correctly, you are more than welcome to call in and see o
We very often get asked this question as with a varifocal lens we do have a number of things to consider, for example your occupation or hobbies. The most important thing is the frame fit. As varifocals are a custom lens that are tailored to your individual needs, this means that there are lots of variations that we can use to select the best varifocal for you in order to provide the best possible vision. When varifocals were first manufactured in the late fifties, customisat