Iris
This is the colored part of the eye.
Iris
These three parts work together to focus light
Lens, ciliary muscles, and suspensory ligaments
This transparent front layer bends light entering the eye.
Cornea
This part carries messages from the eye to the brain
Optic Nerve
pupil
The iris controls the amount of this entering the eye.
light
These muscles change the shape of the lens
ciliary muscles
This watery fluid supports the cornea and front of the eye
Aqueous Humor
rods
blind spot
The iris does this to control light
contract & expand
This structure bends light and focuses it on the retina
lens
This jelly-like substance helps maintain the shape of the eye
Vitreous Humor
Responsible for color vision. Only work in bright light
cones
In someone who is near-sighted, the light focus _____ of the retina
in front
The iris helps protect the eye by controlling this.
How much light enters the eye
When the lens is flat and thin, you are focusing on something...
far away
Vitreous Humor and Aqueous Humor help protect the eye from...
shocks
During distant vision, the ciliary muscles do this
relax
In someone who is far-sighted, the light focuses _____ the retina.
behind
The most common color iris
brown
These help hold the lens in place.
Suspensory Ligaments
Keeps the retina in place
Vitreous Humor
A spot on the retina that has the highest density of rods & cones
yellow spot
Any change in the environment.
stimulus