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Your Eyes & Vision Explained

Cataracts

 

What is a cataract?

A cataract is a progressive clouding of the eye’s natural lens (crystalline lens). It is the leading cause of vision problems among adults over 55 years.

The eye’s natural lens sits behind the iris (coloured part of the eye) and is responsible for focusing light and producing clear, sharp images on the retina. As we age, the lens becomes cloudy and light cannot pass clearly to the retina, making vision impaired.  

Though cataract symptoms may appear slowly and painlessly, over time they grow and cloud more of the lens, progressively obstructing vision.

Symptoms include:

  • Blurred or fuzzy vision
  • Sensitivity to light and glare (especially when driving at night)
  • Increased nearsightedness, requiring frequent changes in the spectacle prescription
  • Dulled colour perception

 

Cataract diagnosis

Over half of those aged over 65 years have some degree of cataract development and an optometrist can easily detect them during a routine eye examination. If they are thought to be significant, you will be referred to an ophthalmologist or eye surgeon.

 

Cataract treatment

Some cataract sufferers find improvement by wearing stronger glasses, using brighter lighting or magnifying lenses. However, ultimately the only treatment for cataracts is surgery, which involves the removal of the cloudy lens and replacement with an implantable lens.

Dr Noel Alpins has a particular interest in cataract surgery and in his expert hands thousands of cataract patients have regained clear vision. 

If you’d like more information about cataract surgery at NewVision Clinics and how it can transform your vision, call us now, or book online for an assessment.