Impaired vision and blindness are common. About 3.4 million people in the US are blind or visually impaired. Vision is usually measured by visual acuity charts, and normal vision is expressed as 20/20 ...
Woman's World on MSN
Trouble Seeing at Night? It Could Be Peripheral Vision Loss
When you think of vision trouble, you might look at the issue head-on-literally. Determining how well you can see right in ...
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