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Spectacle Lenses

Finding the right spectacle lens to meet your needs requires expert advice and that's where our dispensing opticians come in. They'll discuss the available options in depth (there's a lot of choice out there!) and advise you on what's going to work well for you. The  lenses will be edged in our own workshop which means we can ensure the accuracy and quality of the job,

Some information on different types of spectacle lenses follows. For some practical examples of their uses, go to Roger's Free Advice Section.
Single Vision Lenses

Single Vision Lenses

Single Vision vision have one power across the entire lens. Most people aged less than forty-five wear single vision lenses. The loss of focusing ability as we get older (after the age of forty-five or so) means that we need different levels of power for different viewing distances, which could mean different lenses for different activities like reading or driving. This isn't always convenient, so bifocals or multifocals may be more suitable.
Bifocal Lenses

Bifocal Lenses

Bifocals are  two-power lenses designed for two viewing distances. Usually they have distance power in the top and reading power in the bottom but they  can be made for any viewing distance. There is a visible dividing line between the two powers.
Trifocal Lenses

Trifocal Lenses

Trifocals have three powers lenses for three  viewing distances  - far, middle and close There are dividing lines between the three powers. Trifocals give a wide field of view but are not as cosmetically appealing as progressive lenses.
Progressive Lenses

Progressive Lenses

Also called multifocals or varifocals, progressive addition lenses are multi-powered. The power changes gradually between the top and bottom of the lens  Many more people wear progressives than bifocals or trifocals because they look better (no dividing lines) and because there a no sudden changes in power. There are  things to get used to, like the fact that you  need to be precise about your head position when wearing progressive lenses and that  the pavement may look a little blurred when you're walking.
Occupational Progressive Lenses

Occupational Progressive Lenses

Occupational lenses are designed especially for people who work at a desk, but can be thought of as indoor lenses and work just as well in the kitchen as theny do in the office. The power varies between middle distance (where your computer would be) and close distance (where your book or paper would be). There is a much wider field of view for those tasks than you would get with regular progressive lenses.

Thinner, Lighter and Flatter Lenses

Spectacle lenses can be made from glass or plastic.  Ninety-nine percent of our customers have plastic lenses because they're ligther and safer than glass ones. Plastic lenses come in different densities (called the refractive index) and the higher the refractive index, the thinner the lens is. Thin lenses are lighter and more cosmetically appealing. Our dispensing opticians can advise on what refractive index will produce the best result for your prescription and your frame. We also have lens designs available that give you flatter surfaces and less distortion through the edge of the lens - our dispensing opticians can tell you more about this.

Photochromic Lenses

Photochromic lenses  have a special chemical incorporated which causes them to darken when exposed to ultra-violet light. This means they darken outside and lighten inside. They're very useful here in New Zealand where the ultraviolet levels are high..

Benefits include
  •     only having to have one pair of glasses - photochromic glasses may eliminate the need for prescription sunglasses
  •     100% UV protection
  •     Available in  both grey or brown.

Possible disadvantages are
  •     a slight residual tint - photochromatic lenses are never completely clear, although you'd be hard pushed to tell.
  •     they don't go very dark in the car because the windscreen blocks the UV rays needed to activate the lenses.
  •     the degree of tint is temperature dependent - the hotter it is the less dark they go-which can be a disadvantage overseas - it doesn't get hot enough in Wellington for this to be a problem.
  •     if you have your photograph taken outdoors, your lenses will be dark in the photo.

Anti-Reflection Coatings

Did you  know that eight to twelve percent of the light arriving at the your spectacle lens is lost to reflection before it reaches your eye? Anti-reflection coatings are designed to address this problem and result in better looking lenses, improved night vision and fewer annoying reflections from the back surface of your lenses. Most of our customers have anti-reflection coated lenses.
Anti Reflection coatings for Lenses

Polarised Lenses

There are two kinds of glare; discomfort  glare and reflected glare. Discomfort glare is controlled by the degree and colour that the lens is tinted and reflected glare is controlled by using polarised lenses- see the picture that shows how they reduce the glare reflected off the water. Polarised lenses reduce glare reflected from snow, water and wet roads so are very useful for boaties , fishermen and skiers.They're available in gray, brown and green, transition and in both single vision, bifocal and multifocal designs.

Too much choice? Not sure which lens is right for you? Come and talk to one of our dispensing opticians.

Polarised Lenses



quote Roger and the team provide high-level knowledge and customer service. Finding a trustworthy practice was life-changing and a relief after being supplied with poorly aligned glasses in the past, which made life difficult. They have a sensitive professional approach that puts the customer first"
Jane M.
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Kiwi Wealth House, 108 Featherston Street
Wellington 6011 

and Shop 2, 100 Molesworth Street, Thorndon, Wellington 6011