table of differences s+p exam 2
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15 Terms
are there more cones or rods in an eye?
more rods (120-130 million)
less cones (6-9 million)
where are cones mainly located?
cones are mostly in the foeva
where are rods mainly located?
rods are mainly in the periphery
which is better at acuity? cones or rods?
acuity in cones is great
acuity in rods is bad
do cones have color vision?
yes
do rods have color vision?
no, they’re achromatic
are cones sensative to motion
yes
are rods sensative to motion?
no
how are cone’s luminance
day— not light sensative “photopic”
how is rods luminance?
night; they’rer very sensative to light (scotioic)
what are cones peak wave length?
550 nm
what are cones peak wave length/
500 nm
how long does it take for rods to adapt to the dark/
slowly, 30 minutes
how long does it take for cones to adapt to the dark?
quickly, 5 minutes
what is acuiity?
the ability to see fine details
it is the most measured attribute, but aside from measuring for glasses, it’s pointless