The eye
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10 Terms
define the eye
The eye is a sense organ that contains receptors that can detect changes in light intensity or colour
What is the function of the retina
contains light receptors rod and cone cells
What is the function of the Iris
Muscles that control how much light enters the eye through the pupil
What is the function of the cornea
Transparent layer that protects the pupil and help to focus light
What is the function of the sclera
Support + protection
What is the function of the optic nerve
Transmit electrical impulses to the brain
What is the function of the ciliary muscle and suspensory ligaments
Help to control size and shape of the lens to focus light onto the retina
label the diagram
In adaptation to light intensity what happens when the eye is in bright light
The eye will have a smaller pupil. circular iris muscles contract, radial iris muscles relax
In adaptation to light intensity what happens when the eye is in dim light
The eye will have a larger pupil circular iris relax radial iris muscles contract
