40-hz light flicker
40-hz light flicker has been studied in 1 paper since 2026: none in people yet, 1 in animals; 1 in the past year. The research so far is in animals. The newest paper, Jan 5, 2026: “Retinal Amyloid Clearance Enhanced by 40-Hz Light Flicker via MHC-II+ Microglia Regulation in Mice”.
1 paper studies it4 findingsUpdated
See all 1 papers on 40-hz light flicker
At a glance
The findings reach mice, none yet in people. 1 lab in 1 country.
None of its findings points the other way.
- 1 lab in 1 country
- 4 of 4 findings with company ties
- Animals1
What did studies of 40-hz light flicker find?
4Studies of 40-hz light flicker measured 4 outcomes, among them visual function, amyloid-beta clearance and microglial activation.
Visual function
upin mice1
1 study
Visual function
upin mice1
40-hz light flicker improves visual function in mice Following intravitreal or subretinal Aβ injection.
“40-Hz flicker enhanced microglial activation, further upregulated MHC-II expression, promoted Aβ clearance, and improved electroretinogram responses and OKR performance.”
AnimalsFollowing intravitreal or subretinal Aβ injectionretina40 Hz
Retinal Amyloid Clearance Enhanced by 40-Hz Light Flicker via MHC-II+ Microglia Regulation in Mice
Investigative ophthalmology & visual science
Amyloid-beta clearance
upin mice1
1 study
Amyloid-beta clearance
upin mice1
40-hz light flicker increases amyloid-beta clearance in mice Following intravitreal or subretinal Aβ injection.
“40-Hz flicker enhanced microglial activation, further upregulated MHC-II expression, promoted Aβ clearance”
AnimalsFollowing intravitreal or subretinal Aβ injectionretina40 Hz
Retinal Amyloid Clearance Enhanced by 40-Hz Light Flicker via MHC-II+ Microglia Regulation in Mice
Investigative ophthalmology & visual science
microglial activation
upin mice1
1 study
microglial activation
upin mice1
40-hz light flicker increases microglial activation in mice Following intravitreal or subretinal Aβ injection.
“Following intravitreal or subretinal Aβ injection, 40-Hz flicker enhanced microglial activation”
AnimalsFollowing intravitreal or subretinal Aβ injectionretina40 Hz
Retinal Amyloid Clearance Enhanced by 40-Hz Light Flicker via MHC-II+ Microglia Regulation in Mice
Investigative ophthalmology & visual science
MHC-II expression
upin mice1
1 study
MHC-II expression
upin mice1
40-hz light flicker increases MHC-II expression in mice.
“The 40-Hz light flicker upregulated MHC-II expression in the retinas of aged mice.”
Animalsretina40 Hz
Retinal Amyloid Clearance Enhanced by 40-Hz Light Flicker via MHC-II+ Microglia Regulation in Mice
Investigative ophthalmology & visual science