Suppression of melatonin secretion in healthy subjects with eyeglass LED delivery system.
OBJECTIVE: Practicability remains a problem in light therapy of biological rhythm disorders. We report here the effect on melatonin secretion of a device consisting of a prototype of eyeglasses including light emitting diodes (LED) in lenses (Somnavue).
METHODS: Light (1,200 lx) was administered in a randomised c.....