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https://www.wsj.com/articles/could-this-pair-of-eyeglasses-mean-the-end-of-bifocals-1486057654

Juggling different pairs of eyeglasses for different tasks may be among the lesser indignities of aging, but it’s still a pain in the neck.

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This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact Dow Jones Reprints at 1-800-843-0008 or visit www.djreprints.com.