I keep forgetting that I want to read the sequel. Thank you. I think it wasn't the vampire attacking, but the aliens? …
Yep, I need to reread the first one :D
Edit: You're talking about Blindsight, yes?
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- Frequently Asked Questions
- Are you blind for 40 minutes every day?
Humans are blind for about 40 minutes per day because of Saccadic masking—the body's way of reducing motion blur as objects and eyes move. 20/20 isn't perfect vision, it's actually normal vision—it means you can see what an average person sees from 20 feet.
How long does it take to adjust to being blind?
It can be anywhere from a few weeks to few months, but the intensity of the loss lessens one way or the other with the passage of time and you end up learning to adjust with the changes this sort of challenge can bring into your life.
How common is it to be completely blind?
An estimated 1.1 million Americans are legally blind. Some conditions, like glaucoma, cataracts, diabetes, and macular degeneration can affect your sight to the point that you may be diagnosed with the condition.
Can you go blind and then see again?
Researchers have made a breakthrough in understanding what happens to the human brain after someone goes blind. The study out of the University of Pisa, Italy, found that the adult brain can actually learn to “see again” many years after a person went totally blind.
How powerful are your eyes?
The muscles that move your eyes are the fastest and strongest muscles in your body, relative to their function. They're 100 times more powerful than necessary. After the brain, your eyes are the second most complex organ in your body.
Saccadic masking - You are blind almost 40 mins in a day
Do humans have 3 eyes?
No. It's just a vestigial trait. In fact, it looks like most animals — including humans — had a chance at a third eye, and we blew it. The tuatara is an endangered species, and lives on only a few islands in New Zealand, each of which is carefully maintained as a native animal preserve.
What is the rarest eye color?
Of those four, green is the rarest. It shows up in about 9% of Americans but only 2% of the world's population. Hazel/amber is the next rarest of these. Blue is the second most common and brown tops the list with 45% of the U.S. population and possibly almost 80% worldwide.
Does a blind person see black?
Seeing the different sources of light, called light perception, is another form of blindness, alongside tunnel vision and many more. Though, one point to consider is the fact that individuals who were born blind cannot tell whether they see total black or not because, simply, they can't really tell.
Can a blind person see dreams?
Although their visual dream content is reduced, other senses are enhanced in dreams of the blind. A dreaming blind person experiences more sensations of sound, touch, taste, and smell than sighted people do. Blind people are also more likely to have certain types of dreams than sighted people.
Why do blind eyes turn white?
The lens itself is flexible and suspended by ligaments which allow it to change shape to focus light on the retina, which is composed of sensory neurons. On occasion, the pupil of the eye may appear white. This is never a normal condition and requires immediate evaluation by an ophthalmologist.
What are 7 causes of blindness?
Globally, the leading causes of vision impairment are:
- uncorrected refractive errors.
- cataract.
- age-related macular degeneration.
- glaucoma.
- diabetic retinopathy.
- corneal opacity.
- trachoma.
Can blind people see color?
Questioning the belief that dates back to philosopher John Locke that people born blind could never truly understand color, the team of cognitive neuroscientists demonstrated that congenitally blind and sighted individuals actually understand it quite similarly.
Do people get used to being blind?
Adjusting to vision loss is a sequential process, which follows the same pattern, or phases, as that of adjusting to any of life's many traumas or crises. The adjustment process may be lengthy, or you may find it goes quite quickly.
What's it like to go blind?
Went Totally Blind: People who have lost their sight have different experiences. Some describe seeing complete darkness, like being in a cave. Some people see sparks or experience vivid visual hallucinations that may take the form of recognizable shapes, random shapes, and colors, or flashes of light.
What do blind people see?
A person with total blindness won't be able to see anything. But a person with low vision may be able to see not only light, but colors and shapes too. However, they may have trouble reading street signs, recognizing faces, or matching colors to each other.
Do blind people see fire?
To a blind or visually impaired person, the first indication of a fire usually will be the smell of smoke and accompanying sense of heat emanating from the fire. Unable to see exactly where the fire has originated, the visually impaired individual is less likely to be able to extinguish even a small fire.
What do blind people do for fun?
You can find music, games, videos or entertainment on devices that have built-in accessibility features for the visually impaired such as iPhone, or iPad. Playing games. An activity done by blind people is playing cards labeled with braille. Another game is chess.
What color do you see when blind?
The answer, of course, is nothing. Just as blind people do not sense the color black, we do not sense anything at all in place of our lack of sensations for magnetic fields or ultraviolet light. We don't know what we're missing.
Does blind people smile?
The spontaneous production of facial expressions of emotion from birth to adulthood is independent of visual experience. From the 4th week of life, blind babies smile in response to the sound of their mother's or father's voices (Fraiberg, 1971, 1975, 1977; Freedman, 1964).
Do blind people drive?
While blind individuals cannot drive (both legally and practically speaking), some states allow low-vision drivers to drive under certain conditions. Usually, their vision must be around the 20/70 point, and they must still have a relatively good field of vision.
Do you still blink when you're blind?
The number of people with no light perception is unknown, but it is estimated to be less than 10 percent of totally blind individuals. Some people with no light perception still report seeing flashes of light, however.
Do purple eyes exist?
Violet Eyes
This color is most often found in people with albinism. It is said that you cannot truly have violet eyes without albinism. Mix a lack of pigment with the red from light reflecting off of blood vessels in the eyes, and you get this beautiful violet!
Can Asians blue eyes?
Blue eyes are also found in southern Europe, Central Asia, South Asia, North Africa and West Asia.
Do dark blue eyes exist?
They are also fairly uncommon among the masses! It has been estimated that only 8% of the world's population has blue eyes. To give you an idea of just how unique blue are, consider this factoid.