The Eye Parts

Question 1

Conjunctiva what

Answer 1

mucous membrane found at edge of iris/under eyelid

Question 2

Conjunctiva fx

Answer 2

Produces mucous to lubricate the eye

Question 3

Ciliary Body what

Answer 3

Smooth muscle with Melanin (brown pigment)

Question 4

Ciliary body fx

Answer 4

absorb some light, controls shape of lens

Question 5

ciliary body tidbit

Answer 5

melanoctyes can become cancerous

Question 6

suspensory ligaments what

Answer 6

ligaments from ciliary body to the lens

Question 7

suspensory ligaments fx

Answer 7

change the shape of the lens to allow you to focus

Question 8

suspensory ligaments tidbit

Answer 8

as you age, it loses elasticity..can’t adjust which makes you far sighted

Question 9

Iris what

Answer 9

colored part of the eye, two layers of elastic fibers, contains melanin

Question 10

iris fx

Answer 10

prevents light from entering eye

Question 11

iris tidbit

Answer 11

spot on the eye is a birth mark, different color eyes can be due to genes or an injury

Question 12

Aqueous Humor what

Answer 12

clear and watery fluid in front of the eye

Question 13

aqueous humor fx

Answer 13

maintain shape, provide nutrients/oxygen, eliminates waste

Question 14

aqueous humor tidbit

Answer 14

constantly being made

Question 15

lens what

Answer 15

dense connective tissue shaped like a skittle

Question 16

lens fx

Answer 16

focuses light onto the retina

Question 17

lens tidbit

Answer 17

can be off center-marfan syndrome

Question 18

pupil what

Answer 18

hole in the eye

Question 19

pupil fx

Answer 19

regulates light that enters the eye

Question 20

pupil tidbit (Looks)

Answer 20

offcenter: genetic, multiple: genetic, keyhole: genetic/mutation

Question 21

pupil tidbit (emotions)

Answer 21

Based on emotion, dilate: interested, problem solving, constrict: bored

Question 22

Cornea what

Answer 22

outer, transparent covering

Question 23

Cornea fx

Answer 23

keep things in/out

Question 24

cornea tidbit

Answer 24

Quick healing, can absorb aqueous humor (when you’re burned, injured, or die), you will get an ulcer on it if you leave in contacts too long

Question 25

Canal of Schlem what

Answer 25

tiny canal in the eye

Question 26

Canal of schlem fx

Answer 26

drainage of toxins/aqueous humor

Question 27

cana of schlem tidbit

Answer 27

eye boogers

Question 28

canal of petit what

Answer 28

tiny canal

Question 29

canal of petit fx

Answer 29

regulates air pressure

Question 30

canal of petit tidbit

Answer 30

can shoot milk/air out of canal

Question 31

vitreous humor what

Answer 31

glass, jelly like fluid

Question 32

vitreous humor fx

Answer 32

maintains shape, nourishes eye, absorb stray light

Question 33

vitreous humor tidbit

Answer 33

tiny pieces of vitreous humor that become dislodged

Question 34

optic disk what

Answer 34

area where optic nerve exits the eye, has no rods/cones

Question 35

optic disk fx

Answer 35

blind spot

Question 36

optic disk tidbit

Answer 36

blind spot can be increased/induced with illness/injury

Question 37

optic nerve what

Answer 37

nerve from eye to brain

Question 38

optic nerve fx

Answer 38

Conveys impulse from eye to the occipital lobe

Question 39

optic nerve tidbit

Answer 39

can be stretched

Question 40

fovea what

Answer 40

area of the retina

Question 41

fovea fx

Answer 41

where image is focused

Question 42

fovea centralis what

Answer 42

center of the fovea, highest # of rods/cones (light receptors)

Question 43

fovea centralis fx

Answer 43

simplest focus

Question 44

sclera what

Answer 44

outer layer in the eyes, white, dense connective tissue, contains vessels

Question 45

sclera fx

Answer 45

protection, reflects light

Question 46

choroid what

Answer 46

middle layer, black pigment/vessels, contains to pupil

Question 47

choroid fx

Answer 47

controls size of pupil, absorbs stray light, supplies oxygen/nutrients

Question 48

retina what

Answer 48

inner layer, contains light receptors rods/cones

Question 49

retina fx

Answer 49

rods-dim light, cones bright light/color

Question 50

retina tidbit

Answer 50

dogs: less cones, humans: red, blue green cones, if you are missing cones, you are color blind you are missing cones, women can have extra cone.