Difference between revisions of Close-up

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-Close up work is doing any vision task close to your eyes, this includes reading, phone time, computers, needlework, and many others.
+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]].
-* Every 20 minutes
+==Videos==
-* Look at something 20 feet away
-* For 20 seconds.
-The 20-20-20 rule is designed to prevent [[ciliary spasm]] and [[nearwork induced myopia]]
+{{#ev:youtube|E_STOn8NjzM}}
+{{#ev:youtube|g0TCu_Yi1LE}}
+==See Also==
+*[[Convergence]]
+* [[Distance vision]]
 ==References==