Parts of the eye

Question 1

label the eye-find on powerpoint smhw

Answer 1

label them lol

Question 2

Description and function
Cornea

Answer 2

Transparent layer at the front of the eye, it refracts light into the eye.

Question 3

Description and function
iris

Answer 3

The coloured part of the eye, contains muscles that control the amount of light entering the eye.

Question 4

Description and function
Pupil

Answer 4

The hole in the middle of the iris that lets light in. Its diameter is controlled by the iris.

Question 5

Description and function
Lens

Answer 5

A transparent, biconvex structure in theeyethat refracts light onto the retina.

Question 6

Description and function
Retina

Answer 6

Thin layer of tissue at the back of the eye that contains receptor cells for light and colour.

Question 7

Description and function
sclera

Answer 7

Tough white supporting wall of the eye.

Question 8

Description and function
ciliary muscles

Answer 8

Muscles that are connected to the lens by the suspensory ligaments; they change the shape of the lens.

Question 9

Description and function
suspensory ligaments

Answer 9

These connect the lens to the ciliary muscles.

Question 10

Description and function
optic nerve

Answer 10

Carries impulses from the retina to the brain.