What are varifocal glasses?
Varifocals are usually known as multifocal lenses and also progressive lenses. They contain focal power which helps to see different distances. It depends upon the requirement of the prescription whether one needs two vision zone glasses or three which includes close, distant, and intermediate vision. The upper portion of the lens is for distant vision, the middle is for intermediate and the lowest portion is for near vision.
Types of varifocals
There 3 types of varifocal lenses considering the way they are made according to the visual corridor. They can be said as standard, advanced, and elite varifocal lenses.
- What are standard varifocals?
Standard varifocal lenses are the basic form of varifocal, which offers a standard view of all distances with minor distortion at the outer view. They are recommended for the very first time if one has never worn a varifocal lens, making it easier to get accustomed to these lenses making the least amount of change in the glasses. It helps to wear varifocals for a longer period and less tiredness.
- What are advanced varifocals?
Advanced varifocals are more modified and premium versions of the varifocals. They offer a wide range of reading and distant views with less distortion in the outer layer. They are recommended if one has worn or knows how to use varifocals and can get accustomed to them easily. These lenses have more corridor length which offers greater distance and reading lenses than the standard varifocals. Buy the advanced varifocal lenses and get next-day glasses delivered to your home.
- What are elite varifocals?
Elite varifocals are advanced and adjust both the frame shapes and the prescriptions. Together they make the best use of varifocals providing the best wide range of distant views making the best of vision in every direction. They have the least outer distortion view. Elite varifocals are recommended if somebody is wearing varifocal lenses for a very long period and requires a tailored lens to adjust with the prescription in your favourite frames.
Which are the best varifocal lenses?
There are various types of varifocal lenses, depending on how the glasses are being used. It depends whether a person needs varifocals for a wider range of distant vision or a close vision. The glasses are made according to the need for the purpose like office work, driving, sports or as regular wear.
Some questions are often asked by people whether a person can drive with varifocals or a desk person needs varifocals or not. The answers to these questions are as follows-
Is driving possible with varifocal glasses?
We often wear sunglasses and glasses while driving. Men sometimes wear black aviator glasses with their outfits. But people often get in a dilemma of whether to wear varifocal glasses or not. The answer to this question is yes, they can wear varifocals while driving. During driving, a person needs elite varifocals for a wider distance of vision and a clear intermediate vision. This helps a person to see things far and focus on distant objects. Other lenses are required for close vision like, reading, writing, and driving varifocals are not much suitable for these purposes.
Are varifocals suitable for screen work?
Computer varifocals are made in such a way that they help a person to see and read closer things and are best suitable for reading and writing purposes. These varifocals do not need to see far objects and do not require a lens with a wider range of vision. These glasses are not at all fit for driving and allow only 4m of maximum vision.
Can varifocals be worn all the time?
Yes, varifocals can be worn all the time. It helps to correct our close, distant and intermediate vision and helps to see an object more clearly. Thus there is no reason for not wearing varifocals all the time. Only the varifocals should be worn according to the need and an office varifocal should not be worn during driving and vice-versa.
What are the differences between bifocal lenses and varifocal lenses?
Varifocal lenses are made in such a way that it helps to correct the distorted vision. Varifocals help to see distant objects, near an intermediate object with the least visible line in the middle which helps a person in a comfortable vision. Bifocal lenses are almost similar to the varifocals. The difference lies in the fact that the bridge or the lines which separate the two visions are visible. In bifocal lenses, they offer only two visions such as distant vision and close vision. There is no intermediate vision offered in these lenses.
The above article is about how and when a person requires the varifocal lenses and how their uses can be justified.
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