Anatomy of the Eye

Question 1

Where is aqueous humor produced?

Answer 1

Ciliary body

Question 2

What other parts of the eye does the aqueous humor travel through?

Answer 2

Goes through the pupil into the anterior chamber

Question 3

What is the function of the aqueous humor?

Answer 3

-Nourishes avascular cornea and lens
-Provides nutrients
-Removes waste

Question 4

What is the aqueous humor absorbed into?

Answer 4

Scleralvenous sinus

Question 5

What increases intraocular pressure?

Answer 5

-If too much aqueous humour is produced
-If too much aqueous humour is reabsorbed

Question 6

What happens if too much aqueous humour is produced or if too much aqueous humour is reabsorbed?

Answer 6

Increase in intraocular pressure
Glaucoma

Question 7

What is another word for increased intraocular pressure?

Answer 7

Glaucoma

Question 8

What nourishes the avascular cornea and lens?

Answer 8

Aqueous humour

Question 9

What provides nutrients and removes waste?

Answer 9

Aqueous Humour

Question 10

What is the choroid made up of?

Answer 10

Made up of two blood vessels

Question 11

What is the function of the choroid?

Answer 11

Provide blood supply to the sclera and retina

Question 12

Where does the choroid supply blood to?

Answer 12

Sclera and retina

Question 13

Which layer of the eye is the choroid a part of?

Answer 13

Vascular layer
Posterior

Question 14

What is the ciliary body?

Answer 14

A thickening of the vascular layer

Question 15

What is the ciliary body made of?

Answer 15

Blood vessels and smooth muscle

Question 16

What two parts of the eye are attached by the ciliary body?

Answer 16

The choroid layer and the circumference of the iris

Question 17

What attaches the choroid layer and the circumference of the iris?

Answer 17

Ciliary muscle

Question 18

What does the internal surface of the ciliary body contain?

Answer 18

Ciliary projections

Question 19

Where are the ciliary projections found?

Answer 19

The internal surface of the ciliary body

Question 20

What are ciliary projections?

Answer 20

Attachments for the suspensory ligaments

Question 21

What are the attachments for suspensory ligaments called?

Answer 21

Ciliary projections

Question 22

What is the function of the ciliary projections?

Answer 22

Keep the lens in place

Question 23

What is produced in the ciliary body?

Answer 23

Aqueous humour

Question 24

Which layer of the eye is the ciliary body a part of?

Answer 24

Vascular layer
Anterior

Question 25

What is the function of the iris?

Answer 25

-Responsible for eye colour -Regulates the amount of light that passes through the pupil

Question 26

Where is the iris found?

Answer 26

The anterior surface of the lens Vascular region

Question 27

Where is the retina found?

Answer 27

Inner layer Beneath the vascular layer

Question 28

What are the two different parts of the retina called?

Answer 28

-Optical retina -Non-visual retina

Question 29

Where is the optical retina found?

Answer 29

Right below the choroid layer

Question 30

What happens at the optical retina?

Answer 30

-It is where the light impacts and is detected by photoreceptors -Can be used to analyse and detect abnormalities affecting the eye

Question 31

Where are the photoreceptors found?

Answer 31

Optical retina

Question 32

Where is the non-visual retina found?

Answer 32

-Underneath the optical retina -Covers the ciliary body and posterior iris

Question 33

What is the non-visual retina?

Answer 33

-Not sensitive to light -Blind spot

Question 34

Which part of the retina is used to analyse and detect abnormalities affecting the eye?

Answer 34

Optical retina

Question 35

What is used to examine the eye?

Answer 35

Opthalmoscope

Question 36

Where is the optic disk found?

Answer 36

Back of the retina

Question 37

What is the function of the optic disk?

Answer 37

-Exit for optic nerve and central retinal vein -Entrance of central retinal artery and posterior region

Question 38

Is the optic disk a blind spot?

Answer 38

Yes No photoreceptors

Question 39

Where is the macula found?

Answer 39

-Lateral to the optic disk -Found in the back of the retina

Question 40

What does the macula contain?

Answer 40

Only cone cells

Question 41

What is the function of the macula?

Answer 41

Helps with acuity of vision Prevents blurriness

Question 42

What is the central are of the macula called?

Answer 42

Fovea centralis

Question 43

Where is the fovea centralis found?

Answer 43

Centre of the macula

Question 44

Where is the most acute vision sensed?

Answer 44

Fovea centralis

Question 45

What is another name for the posterior segment?

Answer 45

Vitreous chamber

Question 46

What is another name for the vitreous chamber?

Answer 46

Posterior segment

Question 47

What dense fluid does the posterior segment contain?

Answer 47

Vitreous humour

Question 48

Where is vitreous humour found?

Answer 48

Vitreous chamber/Posterior segment

Question 49

What are the functions of the vitreous humour?

Answer 49

-Provides support to the lens -Holds retina in place -Transparent

Question 50

What is the function of the cornea?

Answer 50

Makes light rays converge through the pupil

Question 51

Does the curvature of the cornea change?

Answer 51

No

Question 52

What type of structure is the lens?

Answer 52

An elastic and biconcave structure

Question 53

Which surfaces of the eye are convex?

Answer 53

Both posterior and anterior segments

Question 54

What can be done to change a lens's curvature?

Answer 54

Bulged or stretched

Question 55

What is the function of the lens?

Answer 55

Allows us to fine-tune our ability to focus