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u |
Dark
Adaptation
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l |
The
term applied to the
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increased
sensitivity that
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occurs
when we enter a
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region
of lowered
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sensitivity.
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l |
Two
phases:
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u |
early
rapid phase - lasts
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~7
minutes and due to
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cones.
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u |
later
slower phase -
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complete
in about 30 to
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40
minutes due to rods.
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u |
Light
Adaptation
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l |
Takes
2-3 minutes
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