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How Often Do Defective Contacts Come Along?

This is a discussion on How Often Do Defective Contacts Come Along? within the General Eye Health forums; Like anything else, contact lenses can sometimes come off the assembly line with some kind ...


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Old 02-22-2008, 02:21 PM
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Join Date: Dec 2007
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Default How Often Do Defective Contacts Come Along?

Like anything else, contact lenses can sometimes come off the assembly line with some kind of defect. I've heard an estimate of 1% of contact lenses is defective. That means that you can potentially find on bad lens in every 50 pairs of contacts.
Is that 1% estimate accurate? Is it the same percentage, regardless of what kind of lens it is? If so, that would mean, obviously, that if you wear a new pair of contacts every day you are going to have more defective contacts than someone who only changes contacts every month.
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