Bifocal Lenses Bifocal lenses consist of two different power strengths in a single lens. Varifocal Lenses On the other hand, varifocal lenses are an updated version of bifocal lenses and are advanced technology lenses. Difference bifocal and varifocal lenses Apart from the major differences as mentioned above pertaining to the appearance and performance, bifocal and varifocal glasses are different in the following manner as well: Varifocal lenses allow a gradual transition from reading mode to distance view and vice versa which is lacking in bifocal lenses.
Visible transition line that divides both the prescription sections are present in bifocals but absent in varifocals. A broader view is derived from varifocal lenses than bifocals. Varifocals are comparatively costlier than bifocals, but considering the comfort and value for money derived by varifocals is worth it.
Customisation is possible with varifocals according to the profession, work, lifestyle, visual requirements, sports etc.
Reglaze GlassesThe benefits derived from varifocal lenses are far more convenient than the bifocals, therefore, considering varifocals as your new lenses is a better option. It is used in the formation of compound words like biannual and bilingual. So, to have bifocal lens is to have two prescriptions in one lens, nearly always long-distance middle to top of the lens and […].
Save my name, email, and website in this browser for the next time I comment. Make your life easy with just ONE pair of glasses? Bifocal Lenses Bifocal Lenses are made up of two different power strengths in a single lens for distance and near vision.
Varifocal Lenses Varifocal glasses , otherwise known as Progressive glasses are advanced technology lenses. Varifocal lenses allow a gradual transition from reading mode to distance view and vice versa while bifocal lenses do not. Bifocal lenses allow two different prescriptions to be combined into one lens while varifocal lenses allow a combination of three prescription types.
Visible transition line that divides both the prescription sections are present in bifocals but absent in varifocals. Customization is possible with varifocals according to the profession, work, lifestyle, visual requirements, and sports. When buying varifocal or bifocal glasses , knowing what each one does and which is the best for you can save you time and money! They are characterised by a gradual increase of lens power, usually between 15 and 20 mm with a final addition power between 1.
The levels starts at a minimum — or no additional power at the top of the lens — and reaches a maximum additional power of magnification, at the bottom of the lens. The bifocal and varifocal lenses that we sell online are of the same high quality as those that we sell in our High Street stores and those sold by our competitors. We can supply other types of bifocal or varifocal lenses which we can discuss with you. Varifocals are the most advanced lenses that you can buy.
The varifocals we offer are the latest freeform lenses. With bifocal and varifocal lenses extra measurements are needed to ensure that you are looking through the correct part of the lens. The dispenser will check to see where your eyes are relative to the spectacle lenses of your frames. With varifocals a measurement will be taken of where your pupils are horizontally and vertically to ensure that the lenses are fitted to match this. With bifocals a measurement will be checked to see where the bifocal line should sit to make sure it is not placed too high or too low.
If you have not worn these types of lenses before then you need to see an experienced person in order for these measurements to be taken. If you have successfully worn bifocals or varifocal lenses before we can calculate the fitting measurements from a previous pair of glasses. We will ask you to send these glasses to us.
It does not matter if they are an old prescription just make sure that the spectacles you send to us were comfortable to wear and to see through when you originally wore them. Varifocal lenses are designed to follow the normal eye movements made when changing from distance to reading positions. So when you try your new glasses remember that when we switch from viewing a distant object to looking at something closer, our eyes move downwards and inwards.
If in doubt point your nose at the object you want to see. Here are a few other things that may help:. When going up or down steps either tilt your head down to look through the distance part of the lens or lift the glasses up to use your natural eyesight.
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