Old 03-28-2013, 09:01 PM
  #24  
Anniedeb
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Join Date: Oct 2012
Location: Twin Cities, MN
Posts: 2,490
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I find it depends on how long my eyes hold out!! I usually can go for 2-3 hours at a time, then the double vision sets in, and I have to put it away until the next day.
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