The Eye

Question 1

Sclera

Answer 1

Tough outer coat for protection

Question 2

Cornea

Answer 2

Bends light inward, transparent layer at front of eye

Question 3

Choroid

Answer 3

Prevents internal reflection (black layer)

Question 4

Ciliary body

Answer 4

Ciliary muscle (body) changes shape of the lens = “accommodation”

Question 5

Iris

Answer 5

(The coloured part) Controls the amount of light getting in the eye

Question 6

Aqueous humour

Answer 6

Helps maintain the shape of the eye

Question 7

Vitreous humour

Answer 7

Helps maintain shape of the eye

Question 8

Retina

Answer 8

Contains light sensitive cells (receptors) - the Rods and Cones

Question 9

Rods

Answer 9

Light sensitive receptors which detect BLACK AND WHITE

Question 10

Cones

Answer 10

Light sensitive receptors which detect COLOUR

*C for Cones and Colour

Question 11

Optic Nerve

Answer 11

Contain sensory neutrons that Carries Message to the brain

Question 12

Blind spot

Answer 12

Found where the optic nerve leaves the eye. It is part of the retina that does not contain light receptors

Question 13

Fovea

Answer 13

(Yellow spot) the most sensitive part of the retina (most receptors)

Question 14

Pupil

Answer 14

A hole in the iris through which light passes

Question 15

Lens(es)

Answer 15

Focus light on the retina

Question 16

Suspensory ligaments

Answer 16

Pulls the lens to change its shape during focusing