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RiverGyoll t1_jcu6oca wrote

Is this a cultural thing or related to a climate or anything? Can anyone outside North America speak to how widespread the use of “artificial tears” is in their nation? I’ve never even heard the term. I’ve heard of eye drops obviously.

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ElleHopper t1_jcux6mi wrote

It can be related to climate, genetics, or other diseases that a person has. Women also have a higher likelihood of developing dry eye due to hormonal effect on the glands' production. Lower humidity environments make the tear film evaporate more quickly, so even someone who hasn't ever felt dry eye may not be able to move to a dry climate without feeling it.

https://pubmed.ncbi.nlm.nih.gov/19115918/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7401914/

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