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emberinc
 
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They have machines that do your blood pressure for free, so why not a machine that is for people who have trouble seeing and buy over the counter glasses? Yes, you can go to the eyeglass place and get a free eye exam, but then you have to pay outrages prices for frames. Why can't they have a machine that people can go up to and do a short eye test to see what strength of over the counter glasses they need? The reason I thought of this is because my husband wears prescription glasses...