- used by the
visual system to form an
image of the environment, sight. Rods
primarily mediate scotopic vision (dim conditions)
whereas cones primarily mediate...
-
Cone cells or
cones are
photoreceptor cells in the
retinas of vertebrates' eyes. They
respond differently to
light of
different wavelengths, and the combination...
-
specialized photoreceptive cells of the retina, also
known as the rods and
cones,
which detect the
photons of
light and
respond by
producing neural impulses...
-
normal visual acuity or the 0.4 arc
minute diameter of a
foveal cone.
Because the
limit of
vernier acuity is well
below that
imposed on
regular visual acuity...
- A
cone is a three-dimensional
geometric shape that
tapers smoothly from a flat base (frequently,
though not necessarily, circular) to a
point called the...
-
Ptolemy used Euclid's
mathematical treatment of
vision and his idea of a
visual cone in
combination with
physical theories in Ptolemy's Optics,
which has...
- also
explain why many
report more
visual snow in low
light conditions: "The
intrinsic dark
noise of
primate cones is
equivalent to ~4000
absorbed photons...
-
Vertebrate visual opsins are a
subclass of
ciliary opsins and
mediate vision in vertebrates. They
include the
opsins in
human rod and
cone cells. They...
- Blue
cone monochromacy (BCM) is an
inherited eye
disease that
causes severe color blindness, poor
visual acuity, nystagmus, hemeralopia, and photophobia...
-
Visual phototransduction is the
sensory transduction process of the
visual system by
which light is
detected by
photoreceptor cells (rods and
cones) in...
