Introduction And Ocular Terminology

Question 1

Cut to create right/left halves (medial)

Answer 1

Sagittal

Question 2

Cut through midline to create equal left and right halves

Answer 2

Mid sagittal

Question 3

Frontal cross section

Answer 3

Coronal

Question 4

Horizontal cross section

Answer 4

Transverse

Question 5

Eye movement towards the midline

Answer 5

Addiction

Question 6

Eye movement away from the midline

Answer 6

Abduction

Question 7

Eye movement: top of eye rotates toward midline

Answer 7

Intorsion

Question 8

Eye movement: top of eye rotates away from midline

Answer 8

Extortion

Question 9

Eye movement: eye moves/looks up

Answer 9

Elevation

Question 10

Eye movement: eye moves/looks down

Answer 10

Depression

Question 11

What does the outer fibrous layer of the eye form?

Answer 11

Connective tissue that forms the cornea and sclera

Question 12

The middle vascular layer is composed of

Answer 12

The iris, ciliary body, and choroid

Question 13

The inter neural layer of the eye is the

Answer 13

Retina

Question 14

What are the 3 chambers of the eye?

Answer 14

• anterior chamber
• posterior chamber
• vitreous chamber

Question 15

The _________ chamber is bounded in front by the cornea and posteriorly by the iris and anterior surface of the lens

Answer 15

Anterior

Question 16

The ________ chamber lies behind the iris and surrounds the equator of the lens, separating it from the ciliary body.

Answer 16

Posterior

Question 17

The anterior and posterior chambers are continuous with one another through the ______.

Answer 17

Pupil

Question 18

What does the anterior and posterior chamber both contain?

Answer 18

Aqueous humor that is produced by the ciliary body

Question 19

What does the aqueous humor provide?

Answer 19

Nourishment for the surrounding structures, particularly the cornea and lens

Question 20

What is the largest chamber?

Answer 20

Vitreous chamber

Question 21

What chamber lies adjacent to the inner retinal layer and is bounded in front by the lens

Answer 21

Vitreous chamber

Question 22

Where is the vitreous humor?

Answer 22

In the vitreous chambers

Question 23

Where do the anterior and posterior chambers meet?

Answer 23

Edge of iris in pupil

Question 24

Lens and cornea are too strong or the eyebal is too long

Answer 24

Myopia

Question 25

Cornea and lens is too weak or eyeball is too short

Answer 25

Hyperopia

Question 26

Corneal and lens strength matches the axial length of the eyeball

Answer 26

Emmetropia

Question 27

The distance between the anterior and posterior poles of the eye.

Answer 27

Axial length

Question 28

What is the axial length of the human eye

Answer 28

23.30mm

Question 29

Anterior pole

Answer 29

Apex of cornea

Question 30

Posterior pole

Answer 30

Fovea

Question 31

The interior lining of the eyeball, including the retina, optic disc, and the macula

Answer 31

Fundus

Question 32

Term pertaining to the surface of the eye

Answer 32

Bulbar

Question 33

Term pertaining to the eyelids

Answer 33

Palpebral

Question 34

Takes the form of sheets of epithelial cells that either cover the external surface of a structure or that line a cavity

Answer 34

Epithelium

Question 35

Epithelial cells like on a ____________ that attaches them to underlying connective tissue

Answer 35

Basement membrane

Question 36

Provides structure and support and is a space filler for areas not occupied by other tissues.

Answer 36

Connective tissues

Question 37

What does connective tissue consist of

Answer 37

Cells, fibers, and ground substances

Question 38

Major component of much of the eyes connective tissue. Composed of protein macromolecules of tropocollagen that have a coiled helix of three polypeptide chains

Answer 38

Collagen

Question 39

What is collagen made of

Answer 39

Protein macromolecules of tropocollagen that have a coiled helix of three polypeptide chains

Question 40

_____ muscle is controlled by the motor nervous system

Answer 40

Striated

Question 41

_____ muscle is controlled by the autonomic nervous system

Answer 41

Smooth

Question 42

What are the main components of nervous tissue

Answer 42

``` Neuron Axon Dendrite Neuroglia Myelin/non myelin ```

Question 43

Basic unit of nervous tissue

Answer 43

Neuron

Question 44

Transmits signals in nervous tissue

Answer 44

Axon

Question 45

Receives signals in nervous tissue

Answer 45

Dendrite

Question 46

Schwann/oligodendrocytes/astrocytes

Answer 46

Neuroglia | Produce myelin