There's a 4th cone mutation: Red Green Blue and Red/Green
Centuries ago, back in the early 80s, OMNI had an article about it. They included a color test, I came up positive. It appears that human eyesight is shifting to become more color responsibe for unknown reasons.
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timeasmymeasure
no subject
Date: 2009-01-22 10:26 pm (UTC)Red
Green
Blue
and
Red/Green
Centuries ago, back in the early 80s, OMNI had an article about it. They included a color test, I came up positive. It appears that human eyesight is shifting to become more color responsibe for unknown reasons.