The Eye

Question 1

Sclera

Answer 1

•White fibrons that Protects the eyeball

Question 2

Cornea

Answer 2

•refracts(bends) light rays into the eye

Question 3

Choroids

Answer 3

•Contains blood vessels, absorbs light
(Supplies cells to the eye)

Question 4

Iris

Answer 4

Coloured part of eye, regulates amount of light entering the eye

Question 5

Pupil

Answer 5

•constricts and slates
•opening for light to enter the eye

Question 6

Ciliary muscles

Answer 6

•Contracts/relaxed to change shape of lens

Question 7

Rods

Answer 7

Photoreceptor
•sensitive to dim light, for night, black/white vision

Question 8

Comes

Answer 8

Photoreceptor
• for color vision/ fine details

Question 9

Fovea Centralis

Answer 9

Location on the retina w high concentration of cones and provide acute detailed vision

Question 10

Lens

Answer 10

Focuses light rays onto the retina

Question 11

Aqueous Humour

Answer 11

• supports eye structure w/pressure of fluids (camber 1)

Question 12

Vitreous Humour

Answer 12

supports eye structure w/pressure of fluids (chamber 2)

Question 13

Optic Nerve

Answer 13

• transmits sensory info to the brain

Question 14

Vision of far away objects ?

Answer 14

Ciliary muscles relax, lens flattens

Question 15

Vision of Objects that are near?

Answer 15

•Ciliary muscles contract, lens becomes rounded

Question 16

Photo reception process to brain/ info direction

Answer 16

•signals- photoreceptors —> optic nerve—>Thalamus —> occipital lobe:

•Info from left eye goes to the right occipital lobe

•Info from right eye goes to the left occipital lobe

Question 17

What is the blind spot ?
What is binocular vision?

Answer 17

•Where the optic nerve connects to the retina (has no photoreceptors)

•each eye covers the blind spot for the other eye