Lighting Research & Technology,
Journal Year:
2022,
Volume and Issue:
54(6), P. 609 - 624
Published: Aug. 5, 2022
Evening
exposure
to
electric
light
can
acutely
suppress
melatonin
levels
and
adversely
affect
subsequent
sleep.
We
conducted
a
systematic
review
with
meta-analysis
investigating
the
influence
of
evening
illuminance
on
polysomnographically
(PSG)-assessed
also
explored
how
melanopsin
(expressed
in
melanopic
equivalent
daylight
(EDI)
affects
human
sleep
features.
included
polysomnographic
laboratory
studies
healthy
humans
for
effects
duration,
pre-sleep
exposures
between
6:00
p.m.
1:00
a.m.
From
440
identified
articles,
114
met
eligibility
criteria
screening,
21
reported
type
source/spectral
characteristics,
12
as
eligible
review.
Meta-analysis
showed
latency,
efficiency
slow
wave
sleep,
overall
effect
sizes
(95%
confidence
interval)
0.69
(−0.50;
1.88),
0.34
(−0.13;
0.82)
−0.61
(−1.85;
0.62),
respectively.
Estimated
EDI
range
100–1000
lx
yielded
clear
dose–response
relationships
latency
efficiency,
but
not
Whilst
duration
indicated
no
apparent
single
PSG-assessed
we
observed
evidence
relationship
based
EDI.
Hence,
may
provide
robust
predictor
non-visual
responses
Obesity,
Journal Year:
2020,
Volume and Issue:
28(S1)
Published: July 1, 2020
Lately,
the
incidence
of
overweight,
obesity,
and
type
2
diabetes
has
shown
a
staggering
increase.
To
prevent
treat
these
conditions,
one
must
look
at
their
etiology.
As
life
on
earth
evolved
under
conditions
nature’s
24‐hour
light/dark
cycle,
it
seems
likely
that
exposure
to
artificial
light
night
(LAN)
would
affect
physiology.
Indeed,
ample
evidence
LAN
impacts
many
metabolic
parameters,
least
partly
via
biological
clock
in
suprachiasmatic
nucleus
hypothalamus.
This
review
focuses
impact
chronic
acute
effects
different
wavelengths
locomotor
activity,
food
intake,
sleep/wake
body
temperature,
melatonin,
glucocorticoids,
glucose
lipid
metabolism.
While
disturbs
daily
rhythms
experiments
using
short‐term
also
have
negative
metabolically
active
peripheral
tissues.
Experiments
not
only
indicated
an
important
role
for
melanopsin,
photopigment
found
intrinsically
photosensitive
retinal
ganglion
cells,
but
provided
each
wavelength
may
specific
energy
Importantly,
been
homeostasis
humans
be
associated
with
increased
atherosclerosis.
Cell Reports,
Journal Year:
2020,
Volume and Issue:
30(3), P. 672 - 686.e8
Published: Jan. 1, 2020
Almost
all
life
forms
can
detect
and
decode
light
information
for
adaptive
advantage.
Examples
include
the
visual
system,
in
which
photoreceptor
signals
are
processed
into
virtual
images,
circadian
entrains
a
physiological
clock.
Here
we
describe
response
pathway
mice
that
employs
encephalopsin
(OPN3,
480
nm,
blue-light-responsive
opsin)
to
regulate
function
of
adipocytes.
Germline
null
adipocyte-specific
conditional
show
light-
Opn3-dependent
deficit
thermogenesis
become
hypothermic
upon
cold
exposure.
We
stimulating
mouse
adipocytes
with
blue
enhances
lipolysis
and,
particular,
phosphorylation
hormone-sensitive
lipase.
This
is
Opn3
dependent.
These
data
establish
key
mechanism
light-dependent,
local
regulation
white
regulates
energy
metabolism.
Annual Review of Vision Science,
Journal Year:
2022,
Volume and Issue:
8(1), P. 135 - 169
Published: April 6, 2022
Retinal
circuits
transform
the
pixel
representation
of
photoreceptors
into
feature
representations
ganglion
cells,
whose
axons
transmit
these
to
brain.
Functional,
morphological,
and
transcriptomic
surveys
have
identified
more
than
40
retinal
cell
(RGC)
types
in
mice.
RGCs
extract
features
varying
complexity;
some
simply
signal
local
differences
brightness
(i.e.,
luminance
contrast),
whereas
others
detect
specific
motion
trajectories.
To
understand
retina,
we
need
know
how
give
rise
diverse
RGC
representations.
A
catalog
set,
turn,
is
fundamental
understanding
visual
processing
Anterograde
tracing
indicates
that
innervate
50
areas
mouse
Current
maps
connecting
brain
are
rudimentary,
as
our
signals
transformed
downstream
guide
behavior.
In
this
article,
I
review
selectivities
RGCs,
they
arise,
utilized
downstream.
Not
only
knowledge
behavioral
purpose
critical
for
contributions
vision;
it
can
also
us
most
relevant
space.
Nutrients,
Journal Year:
2023,
Volume and Issue:
15(6), P. 1391 - 1391
Published: March 14, 2023
Light
is
an
essential
part
of
many
life
forms.
The
natural
light–dark
cycle
has
been
the
dominant
stimulus
for
circadian
rhythms
throughout
human
evolution.
Artificial
light
restructured
activity
and
provided
opportunities
to
extend
day
without
reliance
on
day–night
cycles.
increase
in
exposure
at
unwanted
times
or
a
reduced
dynamic
range
between
daytime
nighttime
introduced
negative
consequences
health.
closely
linked
sleep–wake
regulation,
eating
patterns,
body
temperature,
energy
metabolism.
Disruptions
these
areas
due
are
metabolic
abnormalities
such
as
increased
risk
obesity
diabetes.
Research
revealed
that
various
properties
influence
This
review
will
highlight
complex
role
physiology,
with
specific
emphasis
regulation
from
perspective
four
main
(intensity,
duration,
timing
exposure,
wavelength).
We
also
discuss
potential
key
hormone
melatonin
sleep
physiology.
explore
relationship
metabolism
through
physiology
populations
understand
optimal
use
mitigate
short
long-term
health
consequences.
