Virtual Darkness
By using amber lenses, researchers were able to block blue spectrum light, which affected the "physiology of human circadian rhythm ... suggesting a circadian effect." This effect was previously noted with "amber-tinted safety glasses" which "preserve normal nocturnal melatonin levels in a light environment which otherwise completely suppresses melatonin production."
Read more about this topic: Dark Therapy
Famous quotes containing the words virtual and/or darkness:
“Neither dead nor alive, the hostage is suspended by an incalculable outcome. It is not his destiny that awaits for him, nor his own death, but anonymous chance, which can only seem to him something absolutely arbitrary.... He is in a state of radical emergency, of virtual extermination.”
—Jean Baudrillard (b. 1929)
“True Friendship can afford true knowledge. It does not depend on darkness and ignorance. A want of discernment cannot be an ingredient in it.”
—Henry David Thoreau (1817–1862)