The Eye

Question 1

How light travels through the eye

Answer 1

Light
Cornea
Aqueous humour
Pupil
Lens
Vitreous humour
Retina
Optic nerve
Brain

Question 2

What are the visual pathways to the eye

Answer 2

The left visual field from both eyes is focused onto the right side of the retina
The right visual field from both eyes is focused onto the left side of the retina

Question 3

Cornea

Answer 3

Is the transparent, curved surface front of the eye, which helps to converge light rays which enters the eye

Question 4

Aqueous humour

Answer 4

Helps to maintain the shape of the anterior chamber of the eyeball

Question 5

Ciliary muscle

Answer 5

Holds the lens in places, secrets the aqueous humour and allows the lens to change shape during accomodation

Question 6

Pupil

Answer 6

The hole in the middle of the iris, where light continue its passage

Question 7

Iris

Answer 7

Regulates the amount of light that travels through

Question 8

Lens

Answer 8

Is the transparent, flexible, curved structure. It’s function is to focus Rays onto the retina using its refractive properties

Question 9

Vitreous humour

Answer 9

Is the transparent, jelly like mass located behind the lens. Helps maintain the shape of the posterior chamber. Acts as suspension for the lens

Question 10

Retina

Answer 10

Is the layer of sensory neurons, the key structure being photoreceptors, which respond to light. It also passes impulses along the optic nerve

Question 11

Optic nerve

Answer 11

Sends impulses to the brain for processing

Question 12

What is the role and structure of the eye

Answer 12

Is the sense organ for vision
This is achieved by the light receiving light that has been reflected or given out by objects
No light, no sight