Cow Eye Dissection
After light passes through the lens it goes through a jelly like fluid (vitreous humor) and hits the __________, which lines the back of the eye.
After light passes through the lens it goes through a jelly like fluid (vitreous humor) and hits the retina, which lines the back of the eye.
What is Vitreous Humor?
Clear gel that fills the space between the lens & the retina.
What is a Cornea?
Clear tissue that covers the front of the eye.
What is a Iris?
Colored part of eye that surrounds pupil and regulates amount of light entering the eye.
Cone cells allow you to see color and work best in bright light.
Cone cells allow you to see color and work best in bright light.
Each eye has an _____________ and the brain interprets the signals by turning them right side up and merging them together so that you see an image.
Each eye has an optic nerve and the brain interprets the signals by turning them right side up and merging them together so that you see an image.
In bright light, the pupil becomes smaller and in dim light, the pupil becomes larger.
In bright light, the pupil becomes smaller and in dim light, the pupil becomes larger.
Light rays are transformed by the cornea, enter the iris and hit the __________.
Light rays are transformed by the cornea, enter the iris and hit the lens.
Light rays hitting an object enter the eye through the __________.
Light rays hitting an object enter the eye through the cornea.
What is a Cones?
Light sensitive cells that allow you to see color in bright light.
What is a Retina?
Light sensitive cells that line the back of the eye.
What is a Rod?
Light sensitive cells that respond in dim light.
Muscles attached to the lens adjust and focus the object.
Muscles attached to the lens adjust and focus the object.
Rod cells allow you to see in black and white and work best in low light.
Rod cells allow you to see in black and white and work best in low light.
The __________, the colored part of the eye, regulates the amount of light that enters the eye.
The iris, the colored part of the eye, regulates the amount of light that enters the eye.
The __________ focuses the light, bends the light rays, and produces an upside down reversed image on the fovea.
The lens focuses the light, bends the light rays, and produces an upside down reversed image.
The light then passes through a fluid filled area behind the _________ and reaches the __________.
The light then passes through a fluid filled area behind the iris and reaches the pupil.
The muscles in the __________ adjust the size of the pupil.
The muscles in the iris adjust the size of the pupil.
The __________ is the opening where light enters the eye.
The pupil is the opening where light enters the eye.
The __________ is full of receptor cells that respond to the light.
The retina is full of receptor cells that respond to the light.
The size of the __________ changes size based on the amount of light.
The size of the pupil changes size based on the amount of light.
What is the Blind Spot?
The spot is where all the nerves join at the retina to create the optic nerve. There are no light sensitive cells in this spot.
There are two kinds of receptors, rod and cone cells.
There are two kinds of receptors, rod and cone cells.
These rods and cones sends electrical impulses to the brain through the __________ nerve.
These rods and cones sends electrical impulses to the brain through the optic nerve.
What is a Optic Nerve?
Thick nerve that sends electrical impulses to the brain.
What is the Sclera?
White of the eye.
What is the Lens?
flexible structure that focuses light.
What is the pupil?
opening where light enters the eye