Tag Archives: Ergonomics

Why does my neck hurt when I wear bifocals?

As we age, those of us who have always needed glasses for far vision often find themselves in need of bifocal lenses. Bifocal, multifocal, or “progressive” lenses, allow those of us with lousy distance and lousy near vision to see the world using one pair of glasses. They’re pretty amazing...
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How to write “how-to” instructions

Step-by-step instructions are important communication tools in business, and elsewhere. If you’ve ever assembled a bookcase, you appreciate the value of a good task analysis, which forms the basis for good instructions. In the world of ergonomics, we use task analysis in physical/cognitive demands analysis (PDA/CDAs), and to develop training....
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