Presbyopia

 without-presbyopia  with-presbyopia

Hold the book up close and the words appear blurred. Push the book farther away, and the words snap back into sharp focus.

That’s how most of us first recognize a condition called presbyopia, a name derived from Greek words meaning “old eye.” Eye fatigue or headaches when doing close work, such as sewing, knitting or painting, are also common symptoms. Because it is associated with aging, presbyopia is often met with a groan — and the realization that reading glasses or bifocals are inevitable.

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