Chapter 15

Question 1

Amblyopia

Answer 1

dullness of vision

Question 2

Aphakia

Answer 2

condition in which the crystalline lens is absent

Question 3

Anisoscoria

Answer 3

condition in which the pupils are unequal in size

Question 4

Astigmatism

Answer 4

defect in the refractive powers of the eye in which a ray of light is not focused on the retina but is spread over an area

Question 5

Beta Blocker

Answer 5

decrease production of intraocular fluid

Question 6

Blepharitis

Answer 6

inflammation of the hair follicles and glans along the edges of the eyelids

Question 7

Blepharptosis

Answer 7

drooping of the upper eyelid

Question 8

Cataract

Answer 8

opacity of the crystalline lens or its capsule; most often occurs in older adults

Question 9

Chalazion

Answer 9

small, hard, painless cyst of a sebaceous gland of the eyelid

Question 10

Cholinergic

Answer 10

increases drainage of intraocular fluid

Question 11

Conjunctivitis

Answer 11

inflammation of the conjunctiva that can be caused by allergens, irritating substances, bacteria, viruses, or sexually transmitted infections

Question 12

Cycloplegia

Answer 12

paralysis of the ciliary body

Question 13

Dacryoma

Answer 13

tumor-like swelling caused by obstruction of the tear ducts

Question 14

Diplopia

Answer 14

double vision

Question 15

Emmetropia

Answer 15

normal or perfect vision

Question 16

Entropion

Answer 16

turning inward of the margin of the lower eyelid

Question 17

Enucleation

Answer 17

process of removing an entire part or mass without rupture, as the eyeball from its orbit

Question 18

Esotropia

Answer 18

condition in which the eye or eyes turn inward; crossed eyes

Question 19

Exotropia

Answer 19

turning outward of one or both eyes

Question 20

Glaucoma

Answer 20

a group of eye diseases that produced increased intraocular pressure caused by a backup of fluid in the eye

Question 21

Gonioscope

Answer 21

instrument used to examine the angle of the anterior chamber of the eye

Question 22

Hyperopia

Answer 22

farsightedness

Question 23

Keratoconjunctivitis

Answer 23

inflammation of the cornea and the conjunctiva

Question 24

Mitotic

Answer 24

pertaining to an agent that causes the pupil to contract

Question 25

Mydriatic

Answer 25

pertaining to an agent that causes the pupil to dilate

Question 26

Myopia

Answer 26

nearsightedness

Question 27

Nystagmus

Answer 27

involuntary, constant, rhythmic movement of the eyeball

Question 28

Nyctalopia

Answer 28

night blindness

Question 29

Ophthalmoscope

Answer 29

medical instrument used to examine the interior of the eye

Question 30

Orthoptics

Answer 30

study and treatment of defective binocular vision resulting from defects in ocular musculature

Question 31

Phacoemulsification

Answer 31

process of using ultrasound to disintegrate a cataract by inserting a needle through a small incision and aspirating the disintegrated cataract

Question 32

Phacolysis

Answer 32

surgical destruction and removal of the crystalline lens in the treatment of a cataract

Question 33

Photocoagulation

Answer 33

process of altering proteins in tissue by the use of light energy such as a laser beam

Question 34

Photophobia

Answer 34

unusual intolerance to light

Question 35

Radial Keratomy

Answer 35

surgical procedure that can be performed to correct nearsightedness

Question 36

Retinal Detachment

Answer 36

separation of the retina from the choroid layer of the eye that can be caused by trauma or can occur spontaneously

Question 37

Retinitis Pigmentosa

Answer 37

chronic progressive disease marked by bilateral primary degeneration of the retina beginning in childhood and leading to blindness by middle age

Question 38

Sty(e)

Answer 38

inflammation of one or more of the sebaceous glands of the eyelid

Question 39

Tonometer

Answer 39

medical instrument used to measure intraocular pressure

Question 40

Trichiasis

Answer 40

condition of in-growing eyelashes that rub against the cornea, causing a constant irritation to the eyeball

Question 41

Xenophthalmia

Answer 41

inflamed eye condition caused by foreign material

Question 42

Xerophthalmia

Answer 42

eye condition in which the conjunctiva is dry