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Why are our upper eyelashes longer than our lower eyelashes?

Posted by admin April 30, 2024

Why are our upper eyelashes longer than our lower eyelashes? Lilia, 7 years old

Thanks for this great query, Lelia.

Upper lashes have larger, longer and deeper roots so it will possibly support more voluptuous lashes.

All mammals have this feature, but why did eyes evolve this manner?

The most vital reason is to guard our eyeballs. But having long upper eyelashes can even help us express our emotions and communicate with others.

They protect you.

Each of our upper lids has between 90 and 160 lashes, each between 8mm and 12mm long. In each lower lid, we now have about 75 lashes that grow. 6-9 mm long.

Together, your long upper and lower eyelashes provide a veil of protection that covers. Full eye socket. This prevents dust, bugs or sweat from entering your eye and causing it to harm.

Without eyelashes, you'll have eyes Dry very quicklyand it is going to be more likely. Catch the nasty germs. This is why people without eyelashes often blink.

The perfect length of eyelashes is one third of the width of the attention.
Provided by Christian Morrow/writer

There is definitely a “” for the upper eyelids.

Using eyelash lengths from humans, in addition to across a spread of animal species, it's one third eye width. Any smaller and air passes too easily. Longer and air begins to get trapped under the eyelids, each scenarios causing the eyes to turn into drier.

Eyelashes also protect animals.

Humans aren't the one animals with eyelashes – all mammals have them, including cats, dogs, elephants and rats. But they vary in length and density depending on where the animal lives. In most cases, other animals even have longer lashes on their upper lids.

Animals that live in dusty areas have eyelids to forestall dust particles from entering their eyes. This is why camels, kangaroos, elephant And the giraffe has. Several rows Longer lashes, not only a row.

Giraffes have long eyelashes to guard their eyes from dust.
Evgeny Gubenko/Shutterstock

In rodents, corresponding to rats, the eyelids are attached to the attention and performance as such. Sensor. Thus, rats can protect their eyes by blinking every time they sense an unknown object near their eyes.

But it's not only mammals. Birds have also evolved. Wings like an eyelash around their upper eyelids.

These feathers protect the eyes of birds from sunlight by shading them. Compared to mammals, these eye-like feathers are long (as much as 2 cm), thick and widely spaced.

Muharrams are useful in other ways.

Our eyelashes are also necessary for after we Meet and talk to other people..

If you're feeling drained, overwhelmed or anxious, your eyelids may help. Tell someone else how you feel.. Also, batting your eyelashes at someone could be a strategy to show that you simply really like them. The extra length of the upper lashes helps to emphasise it.

Your eyelashes aid you express emotions.
Maria SPB/Shutterstock

Litter Facts

  • Unlike other hair on our body, eyelashes There are no small muscles One that makes the hair stand on end, gives us a burst of laughter.

  • Eyelashes are frequently the darkest coloured hair on our body, they usually Never be gray!

  • gave Early Egyptians Used makeup on her eyelashes, as many individuals do today. They lived greater than 5,000 years ago.

  • The eyelashes There is a lot of difference between people. The number, thickness, curliness, shape or length of eyelashes can vary greatly from individual to individual.

  • The lashes are curved outwards from the attention in order that the highest and bottom hairs don't get tangled after we blink

  • If we pull out our eyelids, we get into it. Eight weeks To grow them back. So it's probably best to not!