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Eye Care


A cataract is when there is a clouding of the lens of the eye, making it difficult to carry out day to day activities.  People who experience cataracts liken it to looking out of a fogged up window.

Whilst it is more common in older people, there have been cases in the younger generations.

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There are many causes of cataract formation, however, ageing is the most common. As we age, proteins in the body begin to change and likewise this affects the lens in the eye.

Causes may also be from environmental factors, genetics, previous eye injuries or surgery and even nutritional factors.  Diabetes, is also a cause, particularly amongst the cases in the younger generations.


There are many symptoms that could present themselves.  These can include:

  • Clouded vision
  • Vision becomes distorted at night
  • Yellowing of colours
  • Experiencing double vision in one eye
  • Sensitivity to bright light
  • Frequently needing to change your prescription lens


Cataracts Diagnosis

As with all noticeable changes in vision, it is important to book an eye examination to detect whether a cataract or other eye disease is apparent. 

As there are different forms of cataract, it may be a simple change in your prescription glasses however we will always refer you to an Ophthalmologist for further diagnosis.

Risk Factors

Factors that may increase the risk of age-related cataracts forming, including;

  • Diabetes
  • Family history of cataracts
  • Use of steroid medication
  • Lifestyle factors including obesity, excessive alcohol consumption, smoking
  • Previous eye illnesses or surgery


Cataracts Treatment

Should our Optometrist discover any signs of cataracts we will refer to you an Ophthalmologist for diagnosis and treatment.  Your ophthalmologist will decide which treatment option is best suited to you.

Focus on your eye health

Eye Test

Our skilled team will help you select the best lens design to help you get the best out of your vision, factoring in individual lifestyle, ergonomics and physical requirements

Eye Care

Being a third generation optometrist business we have the expertise and the technology to early detect the most common eye problems and provide you with professional eye care guidance and solutions


Established in 1895, Knapp Optometrists have been bringing the finest eyewear from around the world to our customers in Perth. Our certificated opticians will show you one of our bespoke brands.