I have flies always trying to get in my eyes and I wear glasses. The flies just fly right into my eye and it stings from where my eyes are dry. Why are they attracted to my eyes?
Short answer moisture and salts.
This is a particular problem if you're in a jungle area, they're isn't much salt in jungles and flies will obtain it form anywhere they can. Humans secrete salts (in sweat).
they feed on lachrymal secretions and other body fluids of various animals, including humans and are of medical significance.
The lacrimal glands are paired almond-shaped glands, one for each eye, that secrete the aqueous layer of the tear film. [...] The lacrimal gland produces tears which then flow into canals
protected by Community♦ Jun 19 '18 at 4:37
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