Reason behind the specific correct length of eyelashes

Reason behind the specific correct length of eyelashes

Women often think that long eyelashes are the best for them, as it will look great plus it would add a different look to their eyes. In a pursue to look beautiful women as well as men spend their hard earned fortunes in surgeries, transplants and cosmetic products such as eyelash extensions and eyelash enhancing serums, etc.
But a study has claimed that the length of eyelashes should be no longer than the one-third widths of eyes. According to the detailed study on eyelashes, lengthening of eyelashes can bring some detrimental effect on the eyes. And hence they suggest not to increase the length of eyelashes more than the required ones as it might cause damage to the eyes.
The research study was conducted by a scientist from Georgia Institute of Technology, and the Journal was published in the journal of the royal science interface. They reported that apart from several previously known benefits of long lashes there is more to be known about the length of the natural lashes. The research team worked on a large number of mammals including camels, panda kangaroo, and rabbits, etc.
Experiments done:
The Georgia scientists conducted experiments to prove the benefits of eyelashes and to check whether the length and curvature of the eyelashes matters or not. The mammals that were tested included elephants, rabbits, leopards, red kangaroo, and porcupine, etc.

They carried out two tests:
1.    Test to check the fluid mechanism of the eye:
They tested the effect of heavy wind on the eyes and its water content. They took a small fan and created a funnel for its pointed flow. Then they placed a small amount of water in an eye sized dish to experience how quick the water evaporated due to the air flow just as the animal eye will face the evaporation while walking against the wind.
2.    The dust test:
For the dust test to check how our eyelashes prevent the dust from entering the eyes, the team attached fluorescent dye to the humidifier and checked the amount of dye deposited on an eye-shaped absorbent paper. For both the tests, they took the false eyelashes as well as a porous eye mesh. They found that the fake eyelashes and the porous eye mesh behaved the same way.
Conclusions from the experiments:
They concluded that the eyelashes were very important to shield away any dust or air to protect the eyes and retain the essential moisture. The longer the eyelashes, the more helpful they might be. But in case if they are too lengthy then they may act reverse. They will start to channel more air and dust inside the eyes making the evaporation and entry of dust particles an easier task.
They also reported that the curvature of eyelashes doesn't play a major role. The lashes and their curvature varies to a great extent in different animals. In animals such as camels, the lashes are angled downwards.
So, you must never try to trim down your lashes if you are blessed with naturally long lashes. Nature has its way to do that. Nature has given the perfect length of eyelashes to the different animals depending upon the kind of environment the animals dwells. It has decided the length was keeping in mind to make it a feasible thing to open the eye to view a predator and to minimize the entry of dust and air.
Ill effects of using false lashes:
Women should avoid wearing false eyelashes too often.  It is because if they do wear fake eyelashes for a long time then they would be inviting the dryness of eyes and the dust deposition inside the eyes. The dry eyes will increase the amount of blinking, and you cannot escape the irritation caused by dry eyes.
Fake eyelashes or eyelash extensions could be used safely by those people who have madrosis or insufficient amount of eyelashes that can protect the eyes. In such cases, eyelashes can play a significant role. The denser your eyelashes are, the safer will be your eyes.
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