Eye Health

Updated 13 February 2015

Can I wear disposable lenses longer?

Lenses should not be worn for longer than the recommended wearing period. This will prevent discomfort, dryness, blurred vision and allergic reactions.

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Lenses should not be worn for longer than the recommended wearing period. The purpose of replacing contact lenses on a frequent basis is to prevent discomfort, dryness, blurred vision and allergic reactions that can result from a build-up of protein and lipid deposits on the lenses. As the deposits age and chemically change on the lens, they contribute to these irritations. The changes in the chemical composition of the deposits also increase the probability that bacteria may adhere to a contact lens, increasing the health risk even without any subjective deterioration in comfort. Check with your eye care practitioner for the lenses and lens replacement frequency that are most appropriate for you.
 

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Optometrist

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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