Many parents look for interesting facts about eyes for kids to educate their little ones about eyes and their functioning. The eyes are the second most complex organ after the brain, allowing vision. Human eyes can differentiate about 10 million colors, and vision is one of the five senses. Nearly 80% of information is learned through vision, hence often referred to as windows of our soul. Many children may ask questions such as “How do the eyes work?”, “Why do we cry?’, and “Why do we have two eyes?” Read on to know more eye facts for kids that can help you answer their questions.
Parts Of Our Eyes
Some of the following mentioned parts of your eyes are visible to us when we look in the mirror or into someone else’s eyes. However, there are other parts that cannot be seen but play important roles.
Rods: These provide a scotopic vision (vision in low light), as they function in low light levels. The vision provided is peripheral (or side) vision. Rods are sensitive to movement or motion and are less sensitive to color perception. A normal retina contains approximately 120–150 million rods.
Cones: These provide a photopic vision (vision in daylight or bright light conditions) and color vision. The vision provided is central (straight ahead). A normal retina contains approximately 6–7 million cones.
Macula, a small sensitive area located near the center of the retina, provides central vision. The fovea, a pit in the center of the macula, provides the sharpest detailed vision. Cones are mostly concentrated in the fovea. There is a point called the ‘blind spot’ in the retina where the optic nerve connects, and there are no light-sensitive photoreceptors at this spot (8).
The anterior chamber lies between the cornea and the iris. The posterior chamber lies between the iris and the lens. The vitreous chamber lies between the lens and the retina.
The anterior and posterior chambers are filled with the aqueous humor, and the vitreous chamber is filled with the vitreous fluid. Aqueous humor is a clear fluid that nourishes the eye and keeps it inflated (9). Vitreous humor is a clear jelly-like fluid that fills the eyeball behind the lens, supporting the eye and transmitting light to the retina. The aqueous humor and vitreous humor nourish the lens.
How Do The Eyes Work?
Our eyes sense the light generated by a light source or light rays reflected from objects. The light enters the cornea and pupil, and the iris controls the amount of light entering through the pupil. Then the light passes through the lens and is focused on the retina. As the focused light hits the retina, the photoreceptors convert the light into nerve impulses. These impulses are carried through the optic nerve to the brain, where the brain processes and turns it into an image (14). The eyes capture images in an upside-down form, and the brain flips the image, helping us see things the right side up.
Why Do Humans Have Two Eyes?
The two eyes provide a binocular vision needed for accurate depth perception. Our two eyes view an object from different angles, and our brain compares and processes these two sets of information to form a single image (15). This process is called convergence. The two eyeballs give us a depth perception to compare two images and determine how far away an object is from us.
30 Facts About Eyes For Kids
Here are some interesting facts about our eyes (16) (17) (18) (19) (20).
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title: “30 Amazing Facts About Human Eyes For Kids With Diagrams” ShowToc: true date: “2022-12-26” author: “Mark Anderson”
Many parents look for interesting facts about eyes for kids to educate their little ones about eyes and their functioning. The eyes are the second most complex organ after the brain, allowing vision. Human eyes can differentiate about 10 million colors, and vision is one of the five senses. Nearly 80% of information is learned through vision, hence often referred to as windows of our soul. Many children may ask questions such as “How do the eyes work?”, “Why do we cry?’, and “Why do we have two eyes?” Read on to know more eye facts for kids that can help you answer their questions.
Parts Of Our Eyes
Some of the following mentioned parts of your eyes are visible to us when we look in the mirror or into someone else’s eyes. However, there are other parts that cannot be seen but play important roles.
Rods: These provide a scotopic vision (vision in low light), as they function in low light levels. The vision provided is peripheral (or side) vision. Rods are sensitive to movement or motion and are less sensitive to color perception. A normal retina contains approximately 120–150 million rods.
Cones: These provide a photopic vision (vision in daylight or bright light conditions) and color vision. The vision provided is central (straight ahead). A normal retina contains approximately 6–7 million cones.
Macula, a small sensitive area located near the center of the retina, provides central vision. The fovea, a pit in the center of the macula, provides the sharpest detailed vision. Cones are mostly concentrated in the fovea. There is a point called the ‘blind spot’ in the retina where the optic nerve connects, and there are no light-sensitive photoreceptors at this spot (8).
The anterior chamber lies between the cornea and the iris. The posterior chamber lies between the iris and the lens. The vitreous chamber lies between the lens and the retina.
The anterior and posterior chambers are filled with the aqueous humor, and the vitreous chamber is filled with the vitreous fluid. Aqueous humor is a clear fluid that nourishes the eye and keeps it inflated (9). Vitreous humor is a clear jelly-like fluid that fills the eyeball behind the lens, supporting the eye and transmitting light to the retina. The aqueous humor and vitreous humor nourish the lens.
How Do The Eyes Work?
Our eyes sense the light generated by a light source or light rays reflected from objects. The light enters the cornea and pupil, and the iris controls the amount of light entering through the pupil. Then the light passes through the lens and is focused on the retina. As the focused light hits the retina, the photoreceptors convert the light into nerve impulses. These impulses are carried through the optic nerve to the brain, where the brain processes and turns it into an image (14). The eyes capture images in an upside-down form, and the brain flips the image, helping us see things the right side up.
Why Do Humans Have Two Eyes?
The two eyes provide a binocular vision needed for accurate depth perception. Our two eyes view an object from different angles, and our brain compares and processes these two sets of information to form a single image (15). This process is called convergence. The two eyeballs give us a depth perception to compare two images and determine how far away an object is from us.
30 Facts About Eyes For Kids
Here are some interesting facts about our eyes (16) (17) (18) (19) (20).
