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the retina allows light to enter where inside the eye a picture or a puzzle is created based upon the different wavelengths which is then sent to the brain to be processed into what we call a picture.
I'm not sure if this is the best answers but this is what we learned in our science unit on the eye. We dissected a sheep's eye to get a better understanding too.
Light enters the eye through the cornea which protects the eye and acts like a lens. The light then goes to the iris and pupil which work together. The iris has muscles that contract and expand to change the size of the pupil to let in the amount of light that is needed. the light passes through the iris and pupil to the lens which refracts the light and creates the image upside down. The ciliary muscles hold the lens behind the pupil and they make the lens thinner or wider to focus on the image. The rods and cones get the image. Rods respond to dim light and cones respond to the primary colors and bright light. The rods and cones are located on the retina. They send signals through the retina to the optic nerve which sends those signals to your brain and processes the image and flips it right side up so you are able to see the image.
by the way I did type that by myself and I didn't copy it from anything! I SWEAR
cranberryhead :)
the eye only captures the light where it will send a neural impulse to the brain where it decodes the signal to make the image kind of like the 01's that make up the digital universe(internet) where the computer decodes it so we can see what the image is. This is incredibly simplified and the more complex answer will boggle your mind with Biology and chemistry of it. The body is really amazing...
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Why can't you see if there is a fly in your eye?
Your eyes are designed to focus on objects outside the eye, making it difficult to see smaller objects like flies that are close to the eye. Additionally, blinking reflexes help protect the eye from foreign particles, making it challenging to perceive objects like flies that are in contact with the eye.
What is needed to see objects?
light and a receptive eye.
Describe objects that are large enough to see with the unaided eye?
Mountains, large buildings, the sun, the moon, and most animals are examples of objects that are large enough to see with the unaided eye.
Two different ways that people can see objects?
with one eye and another eye i think.............
When you look through a window why can you see objects outside?
You can see objects outside through a window because light from the objects outside passes through the window and enters your eyes. This allows your eyes to detect the shapes and colors of the objects, creating the perception of the scene outside.
When the eye becomes elongated people see near objects well but see far objects poorly. This is what is called?
This condition is called myopia. It results in the inability to see distant objects clearly while being able to see nearby objects clearly.
What tool is used to see objects too small to be seen with the human eye?
A stethoscope
Why do you have to use the microscope?
so that you can see objects that are too small to be seen by the naked eye
Which of the following should be used to see small objects that are notvisible to the naked eye?
Microscope
What is a spyglass usually symbolic of?
A spyglass is usually symbolic of being able to see distant objects. It has the power to see where the human eye cannot, perhaps symbolic of a third eye, or greater eye power.
Why can not you see distant objects?
It is caused due to the limitation of human eye i.e the eye lens cannot adjust its focal length.
What has an eye but cannot see and sharp objects attack them?
Probabely potato, it has bud or eye and is attacked by sharp object like knife.
