Eye Health

Updated 13 February 2015

What are contact lenses made of?

Contact lenses are made from a number of different materials called polymers. Polymers ensure comfort by maintaining their shape on the eye and allowing the eye to breathe.

Today's contact lenses are made from a number of different materials called polymers. These polymers ensure comfortable lens wear by allowing the eye to breathe normally and maintaining their shape on the eye. Modern soft lenses offer excellent comfort and are soft because they contain water. Typically, the water content of lenses varies from about 40% to 70%.

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Megan Goodman qualified as an optometrist from the University of Johannesburg and is currently practising at Tygerberg Academic Hospital in Cape Town. She has recently completed a Masters degree in Clinical Epidemiology at Stellenbosch University. She has a keen interest in ocular pathology and evidence based medicine as well as contact lenses.

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