Unit 3 topic 2- Biological effects on visual perception

Question 1

Visual perception is affected by…?

Answer 1

affected by bodily and mental processes

Question 2

refractory error

Answer 2

abnormalities in shape of cornea, lens, eyes

Question 3

Myopia (short-sightedness)

Answer 3

cornea/lens are shaped in such way causing light to be focused in front of retina

Question 4

Hyperopia (far-sightedness)

Answer 4

only focus on distant images because cornea is not curved enough, light is unfocused when hitting retina

Question 5

Achromatopsia

Answer 5

partial/complete loss of colour vision caused by partial/complete loss of cone receptors

Question 6

Age

Answer 6

vision declines with age

Question 7

AMD

Answer 7

build up of yellow fluid in macula causing blurred vision

Question 8

presybyopia

Answer 8

lens in eyes loose flexibility over time

Question 9

Cataracts

Answer 9

lens in opacities interfere with vision functions

Question 10

Glaucoma

Answer 10

eye disease damaging optic nerve causing blind spots