The Eye

Question 1

Purpose of Eye

Answer 1

Transport light into the Retina

Question 2

Eye organs consist of

Answer 2

Cornea, Iris, Pupil, Lens, Retina

Question 3

Function of Cornea

Answer 3

Refract the light

Question 4

Function of Iris

Answer 4

Give color to eye and controls size of pupil

Question 5

Function of Pupil

Answer 5

Hole infront of the lens due to iris contraction

Question 6

Function of Lens

Answer 6

Bending light to reach retina

Question 7

Function of Retina

Answer 7

Contains receptor cells that responds to light (theyre sensitive to light)

Question 8

When Close Objects are in focus

Answer 8

Cillary muscles contracts, suspensory ligaments slack and the lens become thick

Question 9

When Far Objects are in focus

Answer 9

Cillary muscles relax, suspensory ligaments tense and the lens become thin

Question 10

When there is High Light Intensity

Answer 10

Iris sphincter contracts

Pupil gets smaller

Less light reaches the retina (protection)

Question 11

When there is Low Light Intensity

Answer 11

Iris sphincter contracts

Pupil enlarges

More light is admitted