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Photopic vision is the
vision of the eye
under well-lit
conditions (luminance
levels from 10 to 108 cd/m2). In
humans and many
other animals, photopic...
-
luminous efficiency function generally refers to the
photopic luminous efficiency function. The CIE
photopic luminous efficiency function y(λ) or V(λ) is a...
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conditions (
photopic vision). One can also
define a
similar curve for dim
conditions (scotopic vision). When
neither is specified,
photopic conditions...
- (compared with 683 lm/W at 555 nm for
maximum photopic efficacy).
While the
ratio between scotopic and
photopic efficacies is only
around 2.5
counted at peak...
- conditions, is most
sensitive near this frequency.
Under these conditions,
photopic vision dominates the
visual perception of our eyes over the
scotopic vision...
- and that of the
opsins in the longer-wavelength
cones that
dominate in
photopic vision,
about 555
nanometres (2.19×10−5 in) (green). In
visual astronomy...
-
human brightness sensitivity. Typically, this
weighting function is the
photopic sensitivity function,
although the
scotopic function or
other functions...
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Mesopic vision,
sometimes also
called twilight vision, is a
combination of
photopic and
scotopic vision under low-light (but not
necessarily dark) conditions...
-
there is a
separate function for each of two
visual systems, one for
photopic vision, used in daylight,
which is
mediated by cone cells, and one for...
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different wavelengths within the spectrum. When
adapted for
bright conditions (
photopic vision), the eye is most
sensitive to yellow-green
light at 555 nm. Light...