Deep biological secrets that are revealed by our eyes

Eyes are considered to be the windows to our soul, we may try to hide some things by not saying those things, but eyes can tell whether really someone is happy or is just pretending to be. Eyes are a great tool to tell a lot about the person, take a look at some amazing facts about eyes and how they are connected to biological features about that person.

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1 Cataract is related to ageing, not disease

Cataracts are a leading cause of blindness across the world, but they are not that much of disease as this phenomenon is related to the ageing process. The lens in the eyes mostly are water and protein, and as a person ages, proteins start clumping together, thus leading to impairments in vision. The formation of cataract can start at a young age also, if you feel you are susceptible to glare, and have a reduced vision. But, you need not worry, as you can control this cataract risk by improving your diet. If you have a diet rich in Vitamin E, carotenoids, zeaxanthin and lutein, then you might be able to significantly reduce this risk.

Cataract is related to ageing, not disease

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2 People with brown eyes have faster reaction times

It was found in a study that people with dark iris colours showed reduction in reaction times to stimulus provided to them. Meaning that they were able to speedily solve issues. It was also found that light eyed people may be showing higher reaction times, but they are better at long-term thinking , like thinking for a game-strategy.

People with brown eyes have faster reaction times

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3 There are different types of tears

Tears are not as simple as they seem, different types of situations lead to different types of tears. First of all, there are basal tears, with have absolutely nothing to do with being emotional. As the name suggests, they are basal in nature, and are always present to coat the eyes with moisture. Other types of tears are caused due to some physical pain or whenever some foreign object enters the eyes. Now, this type of tears have a chemical make-up which have healing effects. Isn’t this amazing? Our tears also protect us from pain. Then there is the variety we all are too familiar with, the emotional type. These can be induced by moments of sadness, depression, or even extreme happiness and even these tears have some special hormones in them which help in getting rid of chemical effects that emotions can have on our body. That is why they say, you should cry when the situation wants you to.

There are different types of tears

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4 Eye colour linked to the facial structures and the trustworthiness

In a study conducted by Karel Kleisner of Charles University in Czech Republic, it was found that eye color had some correlation to the face structures and trustworthiness. According to the research, men with brown eyes had broader chins, closer and prominent eyebrows, larger mouths and noses. In contrast, men with blue eyes had finer features, such as down turned mouths, smaller eyes, longer chins and widely spaced eyebrows, and in general these faces are more angular in appearance. It was also found that public perceptions about trustworthiness from the audience tested showed that men with blue eyes were less likely to garner trust and in fact the ability to be trusted had a better correlation with the shape of the face as blue -eyed men with broader faces were likely to be trusted as compared to their thin faced counterparts.

Female eye colour and face structure had absolutely no correlation to being trusted by others or not.

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Eye colour linked to the facial structures and the trustworthiness

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5 Blue-eyed people have a common ancestor

Scientists came up with this interesting finding that despite being scattered in Europe and Eurasia, the blue-eyed people have one single common ancestor, who used to live in the Baltic Region 6000-10,000 years ago. One man’s genetic change led to some beautiful eyes that we see today.

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Blue-eyed people have a common ancestor

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