What we did not know about blindness and color blindness

• What we did not know about blindness and color blindness

Some blind people refer to his blindness as a gift! And this phenomenon has a scientific basis. If you lose one of the five senses, others worse - as compensation. That is a rumor of a blind man sometimes much better than the sighted. Some are blind, for example developing at the ability to echolocation. They make sounds and listen to the echoes from surrounding objects, to determine where they are. That's what guided the bats!

Guide dogs are trained to use the toilet on the team. Thus the owner can remove the animal.

The US military has resorted to the help of color-blind to detect camouflaged objects that have been difficult to see people with normal vision.

Some blind people are able to navigate in space using echolocation. They emit clicking sounds language and hear how these sounds are reflected from objects.

According to the World Health Organization, on the planet about 280 million visually impaired people live. About 40 million of them are blind.

In the United Kingdom blind people receive a 50% discount on payment of a TV antenna (in many European countries for the use of a TV connected to a common antenna, often charged).

Font from the relief point was commissioned by Napoleon to the soldiers could send messages at night without the sound and light. Later this technique was inspired to create Braille characters for the blind.

According to the World Health Organization, 80% of cases of visual impairment around the world are treatable, but most people are visually impaired live in poor countries and do not have adequate access to medicine.

Redwall series of children's books known for a very bright, imaginative descriptions. The reason lies in the fact that the author Brian Jacques originally wrote his books for blind children.

were carried out experiments in which monkeys get rid of color-blindness after injection cones. Potentially, this treatment can help and people.

During one of the first nuclear test in New Mexico, a blind woman by the name of George Green saw a bright flash ... from a distance of 80 kilometers.

Only after the creation of about 2 million head pencil crayons Crayola master company Emerson Moser admitted he was colorblind.

Blind people see nightmares are four times more people with normal vision.

If the blind person is afraid of dogs or are allergic to dog hair, it can get in the guides of the horse.

Guide dogs can not detect the color of the traffic light, and visually impaired have to cross the road at the hearing. However, the dog refuses to go if the car is approaching.

Nineteen blind teenager Matthew Veygman was arrested for illegal entry into the telephone network. He hacked phones using its ultra-sensitive hearing, and then called 911 and guided her into the house unpleasant people he

According to statistics, the blind are often a couple, than people with normal vision. 65 percent of blind people live in a marriage or with a partner, and the divorce rate among them - only 16, 5 percent.

In the blind from birth is not schizophrenia, but an increased risk of autism.

In some countries, to help the visually impaired sidewalks spread special convex tiles. This is particularly useful about pedestrian and underpasses.

The blind can also see the hallucinations after taking LSD.

Blind from birth people smile and frown in the same way as sighted. This means that facial expressions of emotion is programmed in our genes, we do not learn it, we just know it.