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Difference between Single Vision and Multifocal lenses

July 08, 2016

Difference between Single Vision and Multifocal lenses

They type of lenses one would purchase would be determined by the type of eye condition one may be experiencing. 

Let’s have a look at how each lens can assist with the various eye conditions.

Single vision lenses provide correction to one focal point, either distance viewing or near viewing, and can correct hyperopia (far-sightedness), myopia (near-sightedness), or presbyopia (a diminished ability to focus on objects as a result of ageing).

Multifocal lenses involve more than one prescription correction per lens. There are a number of types of multifocal lenses namely bifocals, progressive or varifocals, and trifocals.

Bifocal lenses provide a distinct line segment between the different fields of vision. Generally the upper part of the lens is used for distance vision while the lower part is used for near vision.

Progressive or varifocal lenses provide a smooth transition in the lens from distance vision to near vision. There are no line segments differentiating the fields of vision.

Trifocal lenses include a 3rd field of vision. Not only do they provide segments for near and distance vision but also a 3rd field for intermediate vision. Intermediate distance refers to a distance that is about an arm’s length. A computer screen is a typical example of this. 

If you are unsure about which type of lens would be best suited for you why not try the Vision Works eye test?! Its only R90!! 

Once you are clear on which type of lens would be suitable for you then check out the Vision Works ‘Dare to Compare Value Packages’ for great deals on your new lenses and fashion frames.

Take the time to get to know your eyes….

#LoveYourEyes

Sources:    Perfect Glasses USA Blog:    www.perfectglassesusa.com
        Clarkson Eye Care:        www.clarksoneyecare.com 

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