Difference between revisions of Close-up
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Close up work is doing any vision task | Close up work is doing any vision task at arm's length or less for an extended period of time. This includes reading, phone time, computers, needlework, and many others. | ||
When doing close up work, wear your [[differentials]] and follow the [[20-20-20 rule]] | When doing close up work, wear your [[differentials]] (if you need them) and follow the [[3 hour rule]] or the [[20-20-20 rule]]. | ||
==Videos== | |||
{{#ev:youtube|E_STOn8NjzM}} | |||
{{#ev:youtube|g0TCu_Yi1LE}} | |||
==See Also== | |||
*[[Convergence]] | |||
* [[Distance vision]] | |||
==References== | ==References== | ||