What Researchers Did
Researchers conducted a narrative review to identify confounding factors influencing critical flicker fusion frequency (cFFF) threshold measurements and discussed its application in diving and hyperbaric medicine.
What They Found
The review identified five broad categories of confounding factors that can affect cFFF measurements: participant characteristics, optical factors, smoking/drug use, environmental aspects, and breathing gases and partial pressures. They noted inconsistent results regarding the influence of increased respiratory gas partial pressures on cFFF and mixed outcomes from flicker device use in previous studies.
Canadian Relevance
This narrative review does not have a direct Canadian connection.
Study Limitations
As a narrative review, this study may be subject to selection bias in the included literature, potentially limiting the comprehensiveness of identified confounders.