Presbyopia is an age-related condition that causes blurred near vision. It typically starts at around age 40 and affects everyone, even those who’ve never had vision problems before.

When presbyopia begins, people will squint or hold reading materials at arm’s length to help their eyes focus. Eye strain, headache and fatigue are common symptoms of presbyopia.

Most experts believe presbyopia is caused by changes to the lens inside the eye. As people age, the lens becomes harder and less elastic, making it more difficult for the eye to focus on close objects.

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What Is Astigmatism?

Astigmatism is a common eye condition that is easily corrected by eyeglasses, contact lenses, or surgery. Astigmatism is characterized by an irregular curvature of the cornea. This is one type of refractive error. Astigmatism occurs in nearly everybody to some degree. For significant curvature, treatment is required.

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A cataract is a clouding of the normally clear lens of your eye. For people who have cataracts, seeing through cloudy lenses is a bit like looking through a frosty or fogged-up window. Clouded vision caused by cataracts can make it more difficult to read, drive a car, especially at night, or see the expression on a friend’s face.

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