Michael Cleary-Gaffney: The Hidden Eye

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The eye is one of the most complex organs in the mammalian species. It provides two functions, the first being the most obvious of allowing us make conscious perception of objects in our visual field. The second is that it is involved in non-image functions such as keeping our circadian clock in sync and pupillary reflex. As most who did leaving cert biology will know, the eye contains rods and cones (photorecptors)… Read More

Michael Cleary-Gaffney: The Dark Side Of Light

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Everyday when the night-time falls we illuminate our rooms with artificial light in order to carry out our work and our street become illuminated to allow us safely navigate our streets. Although, our ability to manipulate and prolong the longevity of our light-time period has significant advantages it comes with possible health consequences. Significant amount of research has found that this manipulation of our light/dark cycle ┬áinterferes with our internal timing system… Read More