Creative Study Chapter 5

Question 1

Anterior Chamber

Answer 1

fluid-filled space between the cornea and iris that contains aqueous humor (water fluid)

Question 2

Posterior Chamber

Answer 2

contains vitreous humor (gelatinous fluid)

Question 3

Cornea

Answer 3

transparent, outer covering of the anterior portion

Question 4

Pupil

Answer 4

Opening in the eye that lets light in

Question 5

Iris

Answer 5

Colored part of the eye that contains muscles to regulate the pupil’s size

Question 6

Sclera

Answer 6

white, tough, fibrous outer layer, extends from cornea to optic nerve

Question 7

Choroid

Answer 7

Pigmented vascular layer between sclera and retina

Question 8

Conjunctiva

Answer 8

mucous membrane lining the eyelids and outer eye surface

Question 9

Lens

Answer 9

transparent structure posterior to the pupil that bends light rays on the retina to aid in focusing

Question 10

Retina

Answer 10

nerve tissue in the inner posterior part of eye

Question 11

Rods and Cones

Answer 11

visual receptors (neurons) in retina that respond to the light waves

Question 12

Nerve fibers

Answer 12

from the rods and cones join in the optic disc from which optic nerve carries transmissions to brain

Question 13

aque/o

Answer 13

water

Question 14

blephar/o

Answer 14

eyelid

Question 15

conjunctiv/o

Answer 15

conjuctiva (to bind together)

Question 16

corne/o

Answer 16

cornea

Question 17

cycl/o

Answer 17

circle, ciliary body

Question 18

dacry/o

Answer 18

tear

Question 19

lacrim/o

Answer 19

tear

Question 20

ir/o

Answer 20

colored circle, iris

Question 21

irid/o

Answer 21

colored circle, iris

Question 22

kerat/o

Answer 22

cornea

Question 23

ocul/o

Answer 23

eye

Question 24

ophthalm/o

Answer 24

eye

Question 25

opt/o

Answer 25

eye

Question 26

phac/o

Answer 26

lens (lentil)

Question 27

phak/o

Answer 27

lens (lentil)

Question 28

phot/o

Answer 28

light

Question 29

presby/o

Answer 29

old age

Question 30

retin/o

Answer 30

retina

Question 31

scler/o

Answer 31

hard or sclera

Question 32

vitre/o

Answer 32

glassy

Question 33

-opia

Answer 33

condition of vision

Question 34

Aqueous Humor

Answer 34

watery liquid secreted by the ciliary processes that fills the anterior and posterior chambers of the eye and provides nourishment for the cornea, iris, and lens

Question 35

diplopia

Answer 35

double vision

Question 36

lacrimation

Answer 36

secretion of tears

Question 37

scotoma

Answer 37

blind spot in vision

Question 38

asthenopia

Answer 38

eyestrain (asthenia=weak condition)

Question 39

blepharospasm

Answer 39

involuntary contraction of the muscles surrounding the eye causing uncontrolled blinking and lid squeezing

Question 40

exophthalmos

Answer 40

abnormal protrusion of one or both eyeballs

Question 41

nystagmus

Answer 41

involuntary, rapid, oscillating movement of the eyeball

Question 42

photophobia

Answer 42

extreme sensitivity to, and discomfort from, light

Question 43

cycloplegic

Answer 43

agent that paralyzes the ciliary muscle and the powers of accommodation; commonly used in pediatric eye examination

Question 44

mydriatic

Answer 44

agent that causes dilation of the pupil; used for certain eye examinations

Question 45

miotic

Answer 45

agent that causes the pupil to contract (mio=less)

Question 46

eye instillation

Answer 46

introduction of a medicated solution in the eye, usually administered by a drop (gt) or drops (gtt) in the affected eye or eyes

Question 47

blepharoplasty

Answer 47

surgical repair of an eyelid

Question 48

cryoretinopexy

Answer 48

use of intense cold to seal a hole or tear in the retina; used to treat retinal detatchment

Question 49

enucleation

Answer 49

excision of an eyeball

Question 50

astigmatism

Answer 50

distorted vision caused by an oblong or cylindrical curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina (stigma=point)

Question 51

myopia

Answer 51

nearsightedness

Question 52

hyperopia

Answer 52

farsightedness

Question 53

presbyopia

Answer 53

impaired vision cause by old age or loss of accommodation

Question 54

amblyopia

Answer 54

decreased vision in earl life because of a functional defect that can occur as a result if strabismus, refractive errors (when one eye is more nearsighted, farsighted, or astigmatic than the other), or trauma; usually occurs in one eye; also known as lazy eye

Question 55

aphakia

Answer 55

absence of the lens, usually after cataract extraction

Question 56

cataract

Answer 56

opaque clouding if the lens causing decreased vision