Glasses lenses

There are many different types of lens designs, lens treatments and add-on options.

Much like purchasing a car, you can these different options can enhance your experience and comfort when wearing your glasses.

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For tailored advice on available options

Please call us to book an appointment.

Don’t forget to ask us about our current glasses promotions and specials!

Lens designs

Multifocal/Progressive

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Lens prescription slowly changes from distance to near

A general-purpose option for those aged >40 years old.

Advantages

  • Technology’s best answer at the moment to replicate human vision (to change from distance to reading)
  • 1 pair of glasses for all tasks
  • 3 main focal points for distance, intermediate (e.g. computer) and near, so can see all distances clearly
  • Great for general purpose glasses
  • Helps to control the rate of prescription increase
  • Low risk of losing glasses as you can wear them all day
  • Great cosmetically, as lens appears smooth, much like a single vision lens

Things to be aware of:

  • Flat surfaces may appear curved initially
  • You must hold your head/eye gaze at the correct height to see clearly
  • Peripheral distortion causes blurry vision on the sides. You will need to position your head straight on to see clearly.
    • This can be minimised with higher quality lens designs (contact us for more details)
  • Not ideal for prolonged periods of time at the computer as the intermediate area is relatively small.
  • It is not advisable to read or watch TV lying down, due to the different focal areas,

 

Extended focus 

 

Lens prescription changes from intermediate (computer) to near

Ideal for those that spend prolonged periods at the computer, aged >40 years old.

Advantages

  •  2 main focal points for intermediate (e.g. computer) and near, so can see computer and written notes clearly
  • Great for office and computer work
  • Less peripheral distortion than multifocal/progressive lenses due to the slower prescription change.
  • Helps to control the rate of prescription increase
  • Great cosmetically, as lens appears smooth, much like a single vision lens.

Things to be aware of:

  • Flat surfaces may appear curved initially
  • You must hold your head/eye gaze at the correct height to see clearly
  • Must remove glasses / change to a suitable pair when looking in the distance
  • Slight peripheral distortion causes blurry vision on the sides. You will need to position your head straight on to see clearly.
  • It is not advisable to read lying down, due to the different focal areas,
  • Glasses must be adjusted to sit well on your face, otherwise the focal points may be out.

 

Single vision

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Entire lens is the same prescription. 

Aged <40 years old: lenses can be used for BOTH distance and near work.

Aged >40 years old: lens can be optimised for distance OR near work.

Advantages

  • Entire lens is dedicated to prescribed working distance
  • Maximises comfort for prolonged reading
  • No distortion on side of lenses
  • No need to adjust head position to find the best optics for a given distance

Things to be aware of:

  • If you are >40yrs old, you will not be able to use them for both distance and near viewing
  • Must remove glasses when not using. E.g. if glasses are for reading only, you will need to remove them when looking in the distance; and vice versa
  • If this is not done, you are at risk of increasing your prescription 
  • Higher chance of losing glasses as they are removed regularly

 

 

Anti-fatigue

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Similar to multifocal lenses for younger eyes

Designed for children and adults with high visual demands. 

Advantages

  • Great cosmetically, as lens appears smooth, much like a single vision lens.
  • Slight magnification at the bottom of the lens allows for easier viewing of reading material
  • Reduces visual fatigue and eye strain
  • As the prescription difference from top to bottom of the lens is small, there is minimal peripheral distortion
  • Suitable for ages 6 to 40
  • Can be a stepping stone for early presbyopes to get used to multifocal lenses
  • Helps to control the rate of prescription increase
  • Low risk of losing glasses as you can wear them all day

Things to be aware of:

  • They will take time to get used to. Generally 1 week
    • Flat surfaces may appear warped initially
    • You must hold your head/eye gaze at the correct height to see clearly
  • Slight peripheral distortion, but goes unnoticed in most people
  • It is not advisable to read lying down, due to the different focal areas,
  • Glasses must be adjusted to sit well on your face, otherwise the focal points may be out.

 

Bi-focal

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Lens prescription sharply changes from distance to near

More traditional lens design for clear vision at distance and near

Advantages

  • No peripheral distortion
  • 2 main focal points for distance and near, so can see these areas clearly with minimal head adjustment
  • Helps to control the rate of prescription increase
  • Low risk of losing glasses as you can wear them all day

Things to be aware of:

  • May not be as cosmetically appealing as there is a line that breaks up distance and near areas
  • Does not allow for intermediate (computer) distance viewing
  • It is not advisable to read lying down, due to the different focal areas,
  • Glasses must be adjusted to sit well on your face, otherwise the bifocal line can interfere with vision

 

Tri-focal

 

Lens prescription sharply changes from distance to intermediate to near

More traditional lens design for clear vision at distance, intermediate and near

Advantages

  • No peripheral distortion
  • 3 main focal points for distance, intermediate and near, so can see these areas clearly with minimal head adjustment
  • Helps to control the rate of prescription increase
  • Low risk of losing glasses as you can wear them all day

Things to be aware of:

  • May not be as cosmetically appealing as there is a line that breaks up each area
  • It is not advisable to read lying down, due to the different focal areas,
  • Glasses must be adjusted to sit well on your face, otherwise the trifocal lines can interfere with vision

 

Why does your vision change when you are over 40 years old?

Lens add-on’s

Lens coating

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Left: Untreated lens. Right: Lens treated with anti-reflective coating

  • Reduces reflections
  • Resist scratches
  • Easier to clean
  • Repels water
  • Repels dust
  • Reflects UV radiation

Comes in 3 options:

  1. Standard coating
  2. Premium coating
  3. Premium coating + blue-glare protection*

*Blue glare protective coating have a slight yellow tint. It is therefore not suitable for those who need to see true colour in detail e.g. designers, photographers

 

 

High-index (thinner lenses)

Lens Thickness Diagram

High-index material is thinner and lighter than the standard

Ideal for those with higher prescriptions >2.50D

High index lens materials bend light more efficiently to make your lenses noticeably thinner, lighter and more attractive.

As a general rule, the higher the index, the thinner the lens, with the thinnest lens (1.74) being at least 50% thinner than conventional lenses (1.5).

Click here for more info on how to choose the thinnest and lightest glasses

     

    Transition (colour-changing lenses)

     

    Lens colour changes from clear to dark

    Activates with exposure to UV light. Ideal for those on the go

    Comes in 4 options:

    1. Standard Transition – Fully clear to dark. Perfect for everyday use
    2. Xtractive – 20% tint to extra dark. Tints even when driving
    3. Vantage – 10% tint to dark. Polarised when tinted
    4. Drivewear – 60% tint to extra dark. Polarised. Maroon/brown lens colour allows for high contrast viewing with minimised glare.

    Advantages

    • No need to change to prescription sunglasses when outdoors
    • Comes in 6 different colours to express your unique style

    Things to be aware of:

    • Takes time to fully activate and clear

       

      07 3345 3383

      2 Nursery Avenue
      Runcorn, QLD 4113