Choosing The Right Type of Glasses

As part of the order process you will have to choose the type of glasses you would like - the choice of lens corresponds to your prescription and your optometrist should tell you this as part of providing you with your prescription after your eye test.

During the order process there are several different types of lenses available for purchase. Here we provide an outline of the available choice of lenses.

Distance Single Vision Lenses

Single vision lenses have only only one correction across the entire lens.

Single Vision lenses are ideal for simple prescriptions. For seeing things at a distance,  if you have trouble reading close up or, at arm's length - relieving eyestrain when you're using your computer and other electronic devices.

Reading - Single Vision Lenses

Choose the Reading -Single Vision option if you have difficulty reading without your glasses, or for seeing things close to your face.

Your prescription may have an Near ADD (addition) reading, or more commonly just ADD value (eg ADD +1.50) which is only relevant if you wish to buy Computer - Single Vision, Bifocal or Progressive (varifocal) lenses.

if you only want Reading glasses, set the ADD(L) and ADD(R) values to 0.00.

Varifocal Lenses

Varifocal (or progressive) lenses provide an alternative to traditional bifocal lenses. Varifocal lenses provide a smooth progression from (upper) Distance to (lower) Reading corrections without the need for distinct viewing areas within the lens. The central area of the lens permits clear vision at arms length, ideal for computer screens, with less peripheral distortion than experienced with traditional bifocal or trifocal lenses. There may be a period of adaptation for someone used to wearing traditional bifocal or trifocal lenses. Ideally customers buying progressive lenses online should already have worn varifocal lenses before.

Not all frames are suitable for varifocal lenses so if you wish to select Progressive then make sure that the frame you select is suitable for varifocal lenses.

Readers (OTC)

Readers are non-prescription "Over The Counter" glasses with a simple Power correction added (for example, +1.00). Ideal for people who, typically over the age of 40, need help reading their newspaper or book but don't need prescription glasses for other activities.

Fashion

For people who don't need corrective lenses but enjoy wearing glasses as a fashion accessory. Clear lens are included when you select this option.

Bifocal Lenses

Bifocal lenses contain two distinct corrections within the same lens. Typically, the wearer has difficulties both focusing on distant objects as well as difficulties reading newspapers or small-print, hence the need for more than one correction - essentially combining the Distance-Single Vision and Reading-Single Vision prescriptions into one lens.

Generally the upper part of the lens is used for distance viewing and the lower part for reading up close.

Not all frames are suitable for bifocal lenses so if you wish to select Bifocal then make sure that the frame you select is suitable for bifocal lenses.

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