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Thread: VISION THREAD (other than colour vision) 2
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Old 17th November 2016 | 17:47
  #276 (permalink)  
flyburg
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Joined: Nov 2000
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From: Netherlands
Interesting study done by the USAF regarding PAL's versus bifocals.

http://www.dtic.mil/dtic/tr/fulltext/u2/a279698.pdf
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