STRUCTURE OF THE EYE

Question 1

SCLERA

Answer 1

• white of the eye.

Question 2

CORNEA

Answer 2

• protects the eye and helps bend incoming light.

Question 3

PUPIL

Answer 3

• opening in the centre of the iris; lets in light.

Question 4

IRIS

Answer 4

• regulates the size of the pupil.

Question 5

LENS

Answer 5

• focuses light rays into the retina.

Question 6

RETINA

Answer 6

• incoming light is converted into nerve impulses.

Question 7

OPTIC NERVE

Answer 7

• transmits impulses from the retina to the visual centers of the brain.

Question 8

RODS

Answer 8

• photoreceptors that occupy the peripheral regions of the retina.

Question 9

CONES

Answer 9

• photoreceptors that are sensitive to different wavelength of light that we perceive as colour.

Question 10

FOVEA

Answer 10

• the central region of the retina.