eye

Question 1

function of the eyelid

Answer 1

cleaning and protecting the eye

Question 2

structure of the eyelid

Answer 2

fold of skin which covers the eye

Question 3

structure of the cornea

Answer 3

transparent covering on the eye

Question 4

function of the cornea

Answer 4

protecting the eye, helping bend light rays that enter the eye

Question 5

structure of the sclera

Answer 5

white part of the eye made of tough collagen fibres

Question 6

function of the sclera

Answer 6

providing protection and support

Question 7

structure of the retina

Answer 7

layer of light-sensitive cells at the back of the eye

Question 8

function of the retina

Answer 8

detecting light rays

Question 9

structure of the choroid

Answer 9

layer of blood vessels with a black pigment

Question 10

function of the choroid

Answer 10

nourishing the eye and absorbing the light

Question 11

structure of the iris

Answer 11

ring of muscles around the pupil, coloured which provides eye colour

Question 12

function of the iris

Answer 12

controls the amount of light entering the eye

Question 13

structure of the lens

Answer 13

transparent, flexible and can change shape due to the ciliary muscles

Question 14

function of the lens

Answer 14

focusing the light onto the retina and focuses on objects

Question 15

structure of the pupil

Answer 15

hole in the middle of the iris

Question 16

function of the pupil

Answer 16

allowing light to enter the eye

Question 17

where is the ciliary body found

Answer 17

attached to the underside of the lens

Question 18

function of the ciliary body

Answer 18

producing aqueous humour and helping with focusing by altering the shape of the lens

Question 19

where is the aqueous humour found

Answer 19

found behind the cornea

Question 20

function of the aqueous humour

Answer 20

helping to keep its rounded shape, providing nutrients to the cornea and lens

Question 21

where is the vitreous humour found

Answer 21

behind the lens

Question 22

function of the vitreous humour

Answer 22

gives the eyeball its shape

Question 23

where is the lateral rectus muscles found

Answer 23

on the lateral side of the eye

Question 24

function of the lateral rectus muscle

Answer 24

helping orientate the pupil away from the centre of the body

Question 25

where is the medial rectus muscle found

Answer 25

on the medial side of the eye

Question 26

function of the medial rectus muscle

Answer 26

helping orientate the pupil towards the centre of the body

Question 27

structure of the optic disc

Answer 27

blind spot where there are no photoreceptors

Question 28

function of the optic disc

Answer 28

where the optic nerves leave the eye

Question 29

structure of the optic nerve

Answer 29

bundle of fibres

Question 30

function of the optic nerve

Answer 30

relaying information from the retina and fovea to the brain

Question 31

structure of the fovea

Answer 31

spot located ion the macula, which has a high density of cone cells

Question 32

function of the fovea

Answer 32

gives sharp central vision, light is focused onto this spot by the lens