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Finding the balance in blue light

Posted in 'General' on February 11, 2014 by Stuart Macfarlane
The last few years there has been increased research and discussion about the ramifications of short-wavelength and blue light.  This has encouraged manufacturers to develop lenses specifically designed to block the blue end of the spectrum.  The following link is to an interesting and informative article about blue light. 

 finding-the-balance-in-blue- light-8/


Cataract and multivitamins

Posted in 'General' on February 25, 2014 by Stuart Macfarlane

A recent trial called the Physicians' Health Study II (PHS II) has investigated whether multivitamin use would decrease the risk of cataract. 

The study involved over fourteen thousand doctors aged 50 or more taking either a placebo or a multivitamin incorporating vitamin C, E and beta carotene.  The onset and progression of both cataract and macular degeneration was followed. The preliminary findings were that long term vitamin intake will decrease the risk of cataract in middle aged men by 9 to 13%. The other surprising finding was that vitamin intake did not make any statistically significant difference to the onset of macular degeneration. The authors indicated that further study of the findings regarding macular degeneration was warranted. 

Can you see the man in the coffee beans?

Posted in 'General' on February 28, 2014 by Stuart Macfarlane
Coffee beans