Half of U.S. Adults Lack 20/20 Vision

MONDAY, Aug. 11 (HealthDay News) -- About half of all American adults don't have the 20/20 vision physicians consider optimal because they are nearsighted, farsighted, or have an irregular corneal curve known as astigmatism, a large, new study reports. The study revealed that such common eye-focus problems -- collectively known as "refractive errors"-- affect young, middle-aged and older adults of all races. Corrective care for such problems amounts to an estimated $3.8 billion to $7.2 billion...Full Story
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