Werewolf color vision?
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I personaly think that a werewolf would retain it's human vision. It may be enhanced at night, but as Fenrir spoke of they are after all human and wolf. I may not have all this scientific information to back up why I feel this way, but after all the word werewolf literly means "Man-beast".
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I myself feel that werewolves have human eyes, seeing as that is what they are to begin with. Still capable of seeing in color, just hard to do. Why. 'Rod's, that's why.
A human eye has two different cells that cover the retina except for a small area, the fovea, directly opposite the cornea, rods and cones. Cones are dedicated to seeing color and light, the main cells that humans use. In order for a human to go from light to dark vision, it takes roughly 20-45 minutes to see clearly in the dark because the rods need to warm up. Humans are considered to have poor lowlight vision because of this extened period of transition.
Some humans have cases of astigmatism where the rods are weaker then average, while some have stronger rods. The strength or weakness of the rods controles the time of transition.
A werewolf, though now not as human as it once was, has simply increased strength to the rods. This means that they don't see as much color, but are still able to see well in the dark.
A human eye has two different cells that cover the retina except for a small area, the fovea, directly opposite the cornea, rods and cones. Cones are dedicated to seeing color and light, the main cells that humans use. In order for a human to go from light to dark vision, it takes roughly 20-45 minutes to see clearly in the dark because the rods need to warm up. Humans are considered to have poor lowlight vision because of this extened period of transition.
Some humans have cases of astigmatism where the rods are weaker then average, while some have stronger rods. The strength or weakness of the rods controles the time of transition.
A werewolf, though now not as human as it once was, has simply increased strength to the rods. This means that they don't see as much color, but are still able to see well in the dark.
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Color Vision
I used the same sort of thing in the story I'm trying to sell; one of the characters "Crosses over" and notices that his color vision has gone pastel, and the explanation is: "While you were Crossing, you lost about twenty percent of your Cones, in that they became rods. Your night vision, on the other hand is now equal to a generation two light amplifier."
If the conversion that happens "in Crossing" is caused by a Viroid; then it's easy to postulate that the Cones in the eye become rods (they are related structures) and that given the Pupil size of the human eye, a twenty percent increase in Rods would grant that much increase in light sensitivity.
Add in that some of these new rods are "trigger" rods (the least change triggering an entire rod stimulus) you have the Wolf's ability to "see" game when they move even the slightest bit. It all fits nicely.
Very good point, Redwolfmoon.
If the conversion that happens "in Crossing" is caused by a Viroid; then it's easy to postulate that the Cones in the eye become rods (they are related structures) and that given the Pupil size of the human eye, a twenty percent increase in Rods would grant that much increase in light sensitivity.
Add in that some of these new rods are "trigger" rods (the least change triggering an entire rod stimulus) you have the Wolf's ability to "see" game when they move even the slightest bit. It all fits nicely.
Very good point, Redwolfmoon.
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- redwolfmoon
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I am aware of this Apokryltaros, but it also affects your rods and cones, which is why a majority of people with astigmatism are perscribed transitiant lenses. (I asked my eye doctor about this before I posted my original comment. I'm working on not being stupid )
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