When do age-related vision changes occur?
Presbyopia. After you pass the milestone age of 40, you’ll notice it’s more difficult to focus on objects up close. This normal loss of focusing ability is called presbyopia, and is due to hardening of the lens inside your eye. For a time, you can compensate for this decline in focusing ability by just holding reading material farther away from your eyes. But eventually, you’ll need reading glasses, multifocal contact lenses or multifocal eyeglasses. Some corrective surgery options for presbyopia also are available, such as monovision LASIK and conductive keratoplasty (CK). Cataracts. Even though cataracts are considered an age-related eye disease, they are so common among seniors that they can also be classified as a normal aging change. According to Mayo Clinic, about half of all 65-year-old Americans have some degree of cataract formation in their eyes. As you enter your 70s, the percentage is even higher. It’s estimated that by 2020 more than 30 million Americans will have cataract
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