Eye Flashcards
What is the function of the cornea?
Protects the eye, refracts light entering the eye
The cornea is the transparent coating on the front of the eye.
What is the pupil?
Central hole in the iris
The pupil allows light to enter the eye.
What is the role of the iris?
Coloured ring of muscle tissue that alters pupil size by contracting or relaxing
The iris is responsible for controlling the amount of light that enters the eye.
Describe the lens of the eye.
Transparent biconvex lens that focuses light clearly onto the retina
The lens changes shape to aid in focusing light.
What is the function of the ciliary body?
Ring of muscle tissue that alters the shape of the lens
The ciliary body is crucial for accommodation.
What do the suspensory ligaments do?
Connect the ciliary muscle to the lens
These ligaments help maintain lens position and assist in its shape change.
What is the optic nerve?
Carries nerve impulses to the brain
The optic nerve is essential for vision as it transmits visual information.
