(ORDO NEWS) — A group of researchers from Osaka Capital University concluded that the human eyelids are more “transparent” than previously thought.
Scientists conducted an experiment involving 33 volunteers. During the study, the subjects were in a room with bright light.
Experts measured the transmittance of light through the eyelids, depending on the intensity and color of the light.
Participants described how they felt about the level of light intensity with their eyes open or closed.
It turned out that the eyelids transmit light 10 times more than previously thought. At the same time, the volunteers noted that they perceive red as brighter, and blue as less bright.
Study author Professor Hideki Sakai also noted that the scores varied between individual subjects.
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