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Eyeliner application may cause vision problems

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Scientists from University of Waterloo, Canada have studied the effects of eyeliner application to our inner
eyelid to find out the risk of contamination, eye
infections, and vision trouble.

The research led by Alison Ng from the Centre for Contact Lens Research investigate the movement of eyeliner
particles for two hours after application, and founds that when drawn
into the waterline, these particles readily contaminate and alter
the tear film of the eye – the thin layer of liquid that wards off
foreign contaminants, compared to when it was applied to the skin below the lashline.

“We noticed that the makeup migration happened quicker and was greater when eyeliner was put on the inner lid margin,” Ng said

The problems with liner entering the tear film ranges from minor
discomfort for those with dry or sensitive eyes to more serious
infections and blurred vision.

“People who wear contact lenses are most likely to notice some
problems,” says Ng. “If they have eyeliner stuck to their lenses,
increasing deposits might cause vision disruption as the lens becomes
cloudier.”

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Now, there are a whole lot of limitations to this study: they only
included three participants; they used glitter eyeliner rather than
solid coloured eyeliner, but say they’d expected similar results; and
they didn’t track the transfer of bacteria from the eyeliner to the eye. 

“If you thoroughly sharpen your pencil eyeliner before each application
and get rid of the stuff that’s stuck to the end, you’ll have a fresh
tip which can help prevent infection,” said Ng. “With twist-up eyeliner, cut some off the end before each use. And always make sure to fully remove eye makeup before bed.”

Source: Waterloo News

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