This relationship was examined through the study of fruit flies because they are comparable to humans in terms of their biological processes.
It was concluded that the fruit fly's eyes "can directly regulate lifespan" which lead author Dr Brain Hodge said was a "surprise."
He explained the reason behind this is to do with circadian rhythm - the body's 24-hour clock - which operates in each cell of the body and has "evolved to adapt to daily stresses" for example, changes in light and temperature.
Due to this, the rhythm also controls hormones that make us tired or hungry according to when there is daylight.
Fruit flies were studied due to them sharing similar biological processes to humansiStockphoto by Getty Images
So being exposed to light at night time through phone, TV, and computer usage can confuse and disrupt the circadian rhythm and in turn have negative consequences on our health.
"Staring at computer and phone screens, and being exposed to light pollution well into the night, are conditions very disturbing for circadian clocks," senior author, Dr Pankaj Kapahi said.
"It messes up protection for the eye and that could have consequences beyond just the vision, damaging the rest of the body and the brain."
It's not the first time the circadian rhythm of fruit flies has been examined, in a previous study the same researchers looked found that the insects' lifespan could be extended through diet restriction, which also affected their circadian rhythms too.
In an effort to see which genes worked like a clock, they discovered diet has a big effect - with all the rhythmic genes activated coming from the eye, specifically from photoreceptors, the retina neurons that respond to light.
As a result, researchers then looked into whether light exposure to the eyes can cause photoreceptor degeneration, inflammation and shorten our lifespan overall.
They found that fruit flies who were in constant darkness had longer lifespans.
"Dysfunction of the eye can actually drive problems in other tissues," Professor Kapahi said.
"We always think of the eye as something that serves us, to provide vision. We don’t think of it as something that must be protected to protect the whole organism," he added.
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