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Close-up of an eye

What is a cataract?

More than 90% of people develop cataracts – the clouding and yellowing of the lens in your eye – by the age of 65.1

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What causes cataracts?

The natural lens in your eye is made up of protein that starts to clump together and cloud the lens as you age.

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Woman working on a laptop

Cataracts symptoms

A common sign of cataracts is dull or cloudy vision. Find out more about these and other symptoms.

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Eye model showing the different parts of an eye

Types of eye conditions

Cataract surgery may allow you to address other eye conditions that impact the crispness and clarity of your vision in addition to cataracts.

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1Cataract. University of Michigan Kellogg Eye Center Web site. http://www.kellogg.umich.edu/patientcare/conditions/cataract.html. Accessed October 28, 2017

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