Scientists notice that more and more people suffer from myopia, because of the modern technology is increasing eye strain. However, this trend has exceptions. What exactly, tell the facts about visual acuity. For example, someone called the most vigorous person in the world.
Visual acuity is the ability to see 2 small points that are at the shortest distance from each other, as separate objects, and not just one merged object.
Today, there are 3 methods for clarifying the human visual acuity - the table of Dr. Snellen (the famous Dutch ophthalmologist), the Golovin table and the Sivtsev table (Soviet ophthalmologists).
One hundred percent vision is that in which a person can see all the characters on the check tables (up to the bottom line). However, this is not the limit of human capabilities. There are people who have a vision of 200% (distinguish 2 lines below the line) and even more.
There is a myth, according to which a person with hyperopia can develop with an acute visual acuity. However, it is not. Scientists have not found any relationship between the ability of the eye to distinguish small objects at a distance and the risk of developing the disease.
The record of visual acuity was established in 1972 and is owned by Veronica Seider, who at the time was a student at the University of Stuttgart (Germany). Researchers were shocked by its capabilities - the girl's visual acuity exceeded the average human data by about 20 times. She was able to recognize the face of a stranger from a distance of more than 1,600 meters.
10 interesting facts about vision
A person is endowed with five senses that he uses to perceive the world around him. On sensations account for about 80% of all information that we receive from the outside. 10 interesting facts about vision present to your attention the unique capabilities and characteristics of the most sensitive human organs.
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