Hmmm.. well, at least I now know what the actual incidence of tetrachromia is... but I live with a tetrachromat, and one who can see [some] UV due to an inherited protein mutation allowing some through [and polarising the visible spectrum for her] [which isn't true aphakia which is the absence of the lens, but has the same effect.]
The sky in her perceptual world is way more interesting!
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Date: 2017-09-27 02:20 am (UTC)[which isn't true aphakia which is the absence of the lens, but has the same effect.]
The sky in her perceptual world is way more interesting!