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Flashcards in Eye Anatomy Deck (148)
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1

What are the parts of the fibrous coat of the eyeball?

Sclera & cornea

2

What are the parts of the vascular coat of the eyeball?

Choroid
Ciliary body
Iris

3

What are the parts of the sensory coat of the eyeball?

Retina

4

What is the function of the sclera?

Gives attachments to the extrocular muscles

5

How much of the fibrous coat does the sclera make up?

5/6th
(opaque)

6

What is the function of the cornea?

Allows light to enter the eye

7

How much of the fibrous coat does the cornea make up?

1/6th
Transparent

8

What is the function of the choroid?

Supplies blood to outer layer of retina

9

What is the function of ciliary bodies?

Produces Aqueous humor
Suspends the lens

10

What is the function of the iris?

Controls the diameter of the pupil & therefore the amount of light entering the eye

11

What is the function of the retina?

Has rods & cones which enable us to see

12

Where is vitreous humor found?

Posterior segment

13

Where is AH found?

Anterior segment

14

What is the structure of the lens described as?

Biconvex crystalline structure that is suspended from the ciliary body by suspensory ligaments

15

What is the function of the AH?

It maintains intraocular pressure

16

What is the function of VH?

Cushions the retina

17

What is the anterior segment further divided into?

Anterior & posterior chamber

18

Where is the Anterior chamber found?

In front of the iris

19

Where is the anterior segment found?

In front of the lens

20

Where is the posterior chamber found?

Behind the iris

21

Where is the posterior segment found?

Behind the lens

22

At the angle of the anterior chamber where does AH drain?

Via trabecular meshwork into the Schlemms canal

23

What are the names of the 3 entry/exit points in the bony orbit?

Optic foramen
Superior orbital fissure
Inferior orbital fissure

24

Which paranasal sinuses is the orbit closely related to?

Maxillary
Frontal
Ethmoid

25

Which area of the orbit is the weakest?

Medial & inferior walls of the orbit

26

What cushions the eyeball in the orbit?

Periorbital fat

27

What is another name for the mucosa membrane on the inside of the eyelid?

Conjuntiva

28

What type of gland is associated with eyelashes?

Sebaceous gland

29

What muscle is responsible for elevating the eyelid?

Levator palpebrae superioris

30

What is the name of the hard plate found in the eye lid?

Tarsal plate