Because I don't use them to read books. I only use them for very quick use at work. And if I don't have my contacts, I never need them. But I usually keep them for at least 6 hours. And I have to look at the iPhone to follow commands. So for the price getting 4 of these is a huge plus! And as stated in one of the negative reviews. frame quality. But if you need them to read. Buy really good glasses. And pay over $50!
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