A common eye disease that causes inflammation could be helped with melatonin therapy, scientists have suggested.
Current research led by Dr Ruth Rosenstein the University of Buenos Aires and the National Research Council looked into the prospect of melatonin therapy as a treatment for uveitis.
This causes redness and eye pain, leading to vision loss that can be permanent if not successfully dealt with.
Melatonin is a hormone that occurs naturally in humans, while uveitis can be caused by a ranger of factors, including injury, cancer, infection and autoimmune diseases like rheumatoid arthritis.
There is no satisfactory treatment, though corticoid steroid eye drops are often used.
Ms Rosenstein"s experimental model of uveitis suggested two factors associated with uveitis were successfully reduced using melatonin.
Melatonin, which is created in the pineal gland, is also instrumental in regulating the body clock and can be taken as a food supplement in the US.
by Alexa Kaczka