The Eye

Question 1

Conjunctiva

Answer 1

Causes conjunctivitis (pink eye)
Bacterial and viral are contagious
Eyelash or dust is not contagious

Question 2

Cornea

Answer 2

Transparent

Outer layer of they eye

Question 3

Sclera

Answer 3

White

Outer layer of the eye

Question 4

Aqueous humor

Answer 4

O2 and nutrients to cornea

Maintains pressure

Question 5

Pupil/Iris

Answer 5

Opening/muscle

Question 6

Lens

Answer 6

Layer outside of eye that helps you see clearly by directing images onto the retina

Question 7

Vitreous humor

Answer 7

Space filler; clear

Question 8

Retina

Answer 8

Contains light receptors

Types of receptors

Question 9

Blind Spot

Answer 9

No receptors

Where the retina meets the optic nerve

Question 10

Rods

Answer 10

Black and white

Fovea has a lower concentration of receptors

Question 11

Cones

Answer 11

Color-needs lots of light

Fovea has the highest concentration of receptors

Question 12

Color Blindness

Answer 12

b-recessive trait
X linked trait so men are more likely to get it because they only get 1 copy
-red/green
-blue/yellow

Question 13

Color Vision

Answer 13

B-dominate trait-normal color vision

Question 14

Peripheral vision

Answer 14

Outside of the center of gaze

Vision Disk

Question 15

Tunnel vision

Answer 15

Loss of peripheral vision

Use that tunnel vision headset

Question 16

Why can you detect details of written material only when it is close to the center of your vision?

Answer 16

There is the greatest concentration of receptors at the center of vision

Question 17

Advantages of Binocular vision

Answer 17

It helps with depth perception

Question 18

What does it mean to have 20/20 eyesight?

Answer 18

What Brittney can dad at 20 feet, Joey can read at 20

Question 19

What does it mean to have 20/40 eyesight?

Answer 19

What Brittney can read at 20 feet, Joey can read at 40 feet

Question 20

What does it mean to be nearsighted?

Answer 20

Unable to see things clearly unless they are relatively close to your eyes

Question 21

What does it mean to be farsighted?

Answer 21

Unable to see things clearly, especially if it is relatively close to your eyes

Question 22

Path of Light through the eye

Answer 22

Conjunctiva
Cornea
Sclera
Aqueous humor
Pupil/iris
Lens
Vitreous humor
Retina
Fovea
Blind spot

Question 23

Cataracts

Answer 23

cloudy layer

Light eyes and outside=more likely to get them

Question 24

Glaucoma

Answer 24

results in blindness if not treated