POOR sleep is a detrimental side-effect of myopia, emphasising the need for testing and better management of the eye condition from an early age, according to a new study led by experts at Flinders University.
"Our study found myopic children have both lower nocturnal melatonin output and delayed melatonin circadian timing compared to normal-sighted children," said Flinders University A/Prof of Optometry Ranjay Chakraborty.
"We also observed delays in short-sighted children's sleep and wake-up time as well as poor and reduced sleep among this myopic group," added Chakraborty.
The study looked at differences in melatonin timing and output, sleep characteristics and cognitive function in 26 myopic and 14 non-myopic children aged between eight and 15 years.
The Flinders researchers recommend that a larger study in future could assess the long-term relationship between systemic melatonin and myopia.
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