Inside your eye you have a lens. This works like a camera lens, focusing light in order for you to see. It is a clear colour when you are young, but becomes progressively cloudier and more yellow as you age. This clouding of the lens is called a cataract. Over time, the cataract causes your vision to become more blurred and you may find yourself more sensitive to light.


Cataract development is a normal part of the ageing process, so everyone develops a degree of cataract as they get older. However, it can also occur at a younger age, where it may be related to a previous injury to the eye, medication use (such as steroids), or chronic illnesses such as diabetes. When should I have cataract surgery? A cataract itself is not harmful to your eye, so it is only worth having surgery when you feel the cataract is starting to affect your vision. In the early stages of a cataract, often a change in glasses prescription is enough. People commonly ask us if their cataract is ‘ripe’ or ‘ready’. With modern surgical techniques, we can perform surgery at any stage when the cataract is affecting your daily life.

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