Anatomy 2

Question 1

In lids near the junction of the palpebral and bulbar conjunctiva (Fornix)
Near goblet cells that secrete mucous

Answer 1

Glands of kraus and wolfring

Question 2

Secretes tears

Answer 2

Lacrimal Gland

Question 3

Secrete mucin and are found in the lid conjunctiva

Answer 3

Goblet Cells

Question 4

Covers inner surface of the eyelids

Answer 4

Palpebral conjunctiva

Question 5

Covers the anterior parts of sclera, globe to limbus

Answer 5

Bulbar Conjunctiva

Question 6

lines inside of the eyelids and covers the sclera
helps lubricate the eye by producing tears and mucus

Answer 6

Conjunctiva

Question 7

tears(precorneal tearfilm) 3 layers

Answer 7

Lipid/ Sebaceous - Fatty
Lacrimal/ Aqueous - Nutrients
Mucin/ Mucoid - Wetting and lubrication

Question 8

Evaluates tear drainage system function. This test measures the length of time for fluorescein dye to appear inside the nose after being instilled in the cornea.

Answer 8

Jones test

Question 9

how long is palpebral fissure (a lid opening)

Answer 9

30mm

Question 10

…% of refraction takes place in the cornea

Answer 10

75

Question 11

Average corneal thickness

THINNER in center and THICKER in periphery

Answer 11

0.53

Question 12

zone of the cornea, largest in center
Also know as corneal cap

Answer 12

Apical zone

Question 13

Zone of the cornea sized 4-6mm

Answer 13

Apical zone

Question 14

Zone of the cornea between apical zone and the limbus

Answer 14

Transition Zone

Question 15

Zone of the cornea near the periphery

Answer 15

Limbal Zone

Question 16

depression around the cornea and divides the cornea from the sclera.

Answer 16

Sulcus

Question 17

Outermost layer of the cornea that is 5-6 layers thick
Has 3 cell layers Squamous, Wing cell and basal layer

Answer 17

Epithelium

Question 18

2nd outermost layer of the cornea with thin elastic acellular membrane of stromal collagen
Scars if damaged
Cannot be separated from stroma.

Answer 18

Bowman’s membrane

Question 19

Middlemost layer of the cornea
makes up 90% of total corneal thickness.
Scars if damaged

Answer 19

Stroma

Question 20

2nd innermost layer of cornea
Elastic membrane secreted by the endothelium
will reform if damaged

Answer 20

Descemet’s membrane

Question 21

innermost layer of cornea
hexagonal

Answer 21

endothelium

Question 22

disorder connected to endothelium that causes variation in cell size

Answer 22

Polymegethsim

Question 23

disorder connected to endothelium that causes variation in cell shape

Answer 23

Polymorphism

Question 24

disorder connected to endothelium that causes deposits on the endothelium indicating endothelial dysfunction

Answer 24

Endothelial Guttata

Question 25

is formed when glucose breaks down in to the nucleus of the cells creating a pumping action, therefor maintains the proper water balance in the cornea.

Answer 25

ATP

Question 26

Swelling of the corneal tissue and results when forces normally dehydrating the cornea are overcome by forces driving water into the cornea

Answer 26

Edema

Question 27

Three instruments used to look at corneal edema

Answer 27

1. Pachometer 2. Keratometer 3. Slit Lamp

Question 28

Swelling of the epithelial cells, it is a reversible form of edema

Answer 28

Gross edema

Question 29

Non-reversible edema that involves cell death at the epithelium Caused by over wearing syndrome causes photophobia

Answer 29

microcystic edema

Question 30

This provides oxygen and glucose to the cornea and lens

Answer 30

Aqueous humor

Question 31

What filters the light and UV rays due to pigmentation?

Answer 31

Iris

Question 32

What controls light by dilating and constricting the pupil?

Answer 32

Iris

Question 33

The average adult pupil size is ______________.

Answer 33

3-4mm

Question 34

The _________ is the posterior portion of the uveal tract.

Answer 34

Choroid

Question 35

The ___________ is composed of blood vessels and lies between the sclera and the retina.

Answer 35

Choroid

Question 36

The __________________ provides blood supply for the outer cells of the retina.

Answer 36

Choroid

Question 37

The _____________ is located immediately behind the iris and is a clear membrane like structure that is quite elastic.

Answer 37

Crystalline lens

Question 38

The ______________________ is a band like structure that encircles the inside of the eye from the iris root to the anterior edge of the retina attached to the ora serrata.

Answer 38

ciliary muscle

Question 39

What muscle aids in the accommodation process?

Answer 39

Ciliary muscles

Question 40

What muscle aids in the accommodation process?

Answer 40

Ciliary muscles

Question 41

The __________________ is the innermost layer of the eye

Answer 41

Retina

Question 42

The ________ converts light entering the eye via nerve impulses.

Answer 42

Retina

Question 43

may cause dry eye

Answer 43

alcohol, diabetes, arthritis HIV, General medications that may cause dry eye

Question 44

This is a blocked Zeiss gland

Answer 44

hordeolum