vision

Question 1

Cornea

Answer 1

transparent covering over the eye

Question 2

Pupil

Answer 2

small opening in the eye through which light passes, the size is altered by light levels and emotional arousal

Question 3

Iris

Answer 3

Coloured area of the eye connected to muscles that control size of the pupil

Question 4

Lens

Answer 4

a curved transparent structure that serves to provide additional focus for the eye.

Question 5

Fovea

Answer 5

Part of the retina, densely packed with photoreceptors

Question 6

Retina

Answer 6

The light sensitive lining in the eye

Question 7

Rods

Answer 7

specialised photoreceptors used in high light conditions, lacking spatial resolution and colour function.

Question 8

Cones

Answer 8

specialised photoreceptors used in high light conditions, providing colour vision and spatial awareness

Question 9

Optic nerve

Answer 9

ganglion cells that converge and exit through the back of the eye.

Question 10

Blind spot

Answer 10

An area in our vision where even if light is focused on it we will not be able to see it.

Question 11

Optic chiasm

Answer 11

point below the brain where the optic nerve of each eye merges.

Question 12

Optic chiasm

Answer 12

point below the brain where the optic nerve of each eye merges.

Question 13

Depth perception

Answer 13

ability to perceive spatial relationships in a 3 dimensional space.

Question 14

Binocular cues

Answer 14

the use of both eyes in perception

Question 15

Binocular disparity

Answer 15

the use of the slightly different view that each eye receives for perception

Question 16

Monocular cues

Answer 16

cues that use one eye.

Question 17

Linear perspective

Answer 17

the fact we perceive depth when two parallel lines appear to converge in an image.