14. The eye Flashcards
Describe the structure of the iris?
Circular coloured part of eye
What is B?
Lens
What is the circular coloured part of eye
The iris
What has the function to protect the eye and to help focus light on the retina at the back of the eye?
Cornea
What is the structure of the lens
Transparent gel like capsule that sits behind the pupil and iris
What is the structure of the retina?
a light-sensitive inner lining at the back of the eye.
What are nerve fibers bundles together from back of the eye to brain
optic nerve
What is the function of the optic nerve
To relay messages from your eyes to your brain to create visual images
What is the clear, curved superficial layer protective covering for the front of the eye?
Cornea
What is the structure of the pupil?
A hole for light to pass through to lens
What is the function of the lens?
To focus light onto the retina by changing shape
What is the coloured part of the eye called?
Iris
What is a hole for light to pass through to lens?
The pupil
What is C?
Cornea
What part of the eye focuses light onto the retina by changing shape
The lens
What is G?
Optic nerve
What is the transparent gel like capsule that sits behind the pupil and iris
Lens
What is the function of the cornea?
to protect the eye and to help focus light on the retina at the back of the eye
What part of the eye detects light (photoreceptors) and turn it into electrical impulses
Retina
What is the function of the iris?
To regulate the amount if light entering the eye
What is a light-sensitive inner lining at the back of the eye.
Retina
What is the structure of the optic nerve
Nerve fibers bundles together from back of the eye to brain
Describe the structure of the cornea
Clear, curved superficial layer
protective covering for the front of the eye
What is the function of the retina?
to detect light (photoreceptors) and turn it into electrical impulses
