1. Relationship between melatonin rhythms and visual loss in the blind;Lockley;J Clin Endocrinol Metab,1997
2. Disturbance of sleep in blindness;Tabandeh;Am J Ophthalmol,1998
3. Light suppresses melatonin secretion in humans;Lewy;Science,1980
4. Light effects on human circadian rhythms: a review of recent Andechs experiments;Wever;J Biol Rhythms,1989
5. Blindness and sleep patterns;Leger;Lancet,1996