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Glasses Lenses

When it comes time to get new glasses, sometimes all the different terms and options can be a bit overwhelming. Below is an explanation of some of the commonly used terms and lens options.
 

Multicoated lenses

Most modern optical lenses come with a multicoat on the lens surface.  The multicoat reduces the reflected light off the surface of the lens, repels dust and fingerprints.  A multicoat is also helpful to reduce visual fatigue when working on computer screens and night time driving.
 

High index lenses

One of the problems that people with high prescriptions encounter is thick unsightly lenses.
With a high index lens we are able to get a much thinner lighter lens to improve the comfort and appearance of your glasses.
High index lenses are also tougher than basic lens materials, and so your optometrist will recommend them if you choose a rimless or semi rimless frame, to prevent the lenses chipping with use.
 

Multifocal Glasses

After the age of 40, many people begin to notice a deterioration in the clarity of near vision.  This is due to an age related change to the focusing lens in the eye, called presbyopia.  With the onset of presbyopia the lens required to focus you clearly for distance vision is different to that required for near work.  There are a number of lens options to allow presbyopes to have clear vision at all distances.  These include bifocals, full progressives and occupational progressive lenses.
 
Bifocal glasses have the distance prescription at the top of the lens, and a segment of near power towards the bottom of the lens.  This allows for clear distance and near vision, but often there is still an area of blurred vision in the intermediate range, which makes bifocals a poor choice for people who do a lot of computer work.
 
Progressive addition glasses are similar to bifocal, with distance focus at the top of the lens, and near focus towards the bottom.  However progressive lenses have a gradual transition between these two powers, enabling a range of different focal distances, depending on which part of the lens you are looking through.
 
Occupational glasses work in a similar way to progressive glasses, but they are biased more towards intermediate and near work.  This type of lens is perfect for someone who spends a lot of time working on the computer and in meetings. We can provide a range of progressives specifically to cater for the visual demands of the modern digitally orientated workplace and home enviroment.
 

Sunglasses lenses

Prescription sunglass lenses come in two main forms, tinted lenses and polarised lenses. 
Tinted lenses have a UV protectant coating and cut down the brightness of all objects equally. 
Polarised lenses not only protect against UV light, they also give effective protection from the glare caused by the polarised nature of reflected sunlight.   Polarised lenses are particularly helpful to people who spend a lot of time on the water or snow, and to cut down the reflections off windshields of oncoming traffic when driving. 
Wearing suitable sunglasses lenses can improve contrast, enhance colour perception, reduce glare and of course protect from harmful UV light. For more information please visit our sunglasses page

Change tint lenses

Change tint lenses, commonly known as the brand name 'transitions' lenses are lenses that are almost clear when indoors, but when outdoors the UV  light causes a reaction to a dye that is inserted in the lens in the making process which tints the lenses into sunglasses. Below is a video about transition brand lenses.


 

On site laboratory

With large stocks of lenses including anti reflection high index lenses, single vision glasses are generally ready the next day.  We have a 1 hour glazing service available for urgent jobs or out of town clients.

Our Details

20 Hall Street
Pukekohe  
   
Phone 09 238 3796
  0800 SEEING
Email [email protected]
   

 
     
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