the human eye

Question 1

which part of the eye is the transparent window that protects the eye

Answer 1

cornea

Question 2

which part of the eye is responsible for eye colour

Answer 2

iris

Question 3

which part of the eye is behind the iris, becomes less pliable in people over 40, and focuses rays on the retina

Answer 3

lens

Question 4

which part of the eye is the hole that controls how much light enters the eye

Answer 4

pupil

Question 5

which part of the eye has photo receptor cells and creates images

Answer 5

retina

Question 6

which part of the eye is the most sensitive part of the retina and is responsible for reading and colour vision

Answer 6

macula

Question 7

which part of the eye has 1 million nerve fibres and takes info from retina and sends to brain

Answer 7

optic nerve

Question 8

what is accomodation

Answer 8

the eye muscles adjusting to see close and far

Question 9

what are the three main focusing problems

Answer 9

hyperopia, presbyopia, and myopia

Question 10

which focusing problem is far sightedness

Answer 10

hyperopia

Question 11

which focusing problem is far sightedness from old age

Answer 11

presbyopia

Question 12

which focusing problem is near sightedness

Answer 12

myopia

Question 13

which lens helps fix hyperopia

Answer 13

convex (converging)

Question 14

which lens helps fix presbyopia

Answer 14

convex (converging lens)

Question 15

which lens helps fix myopia

Answer 15

concave (diverging lens)