Chapter 11- The Eye

Question 1

biometry

Answer 1

the study of numeric observations based on biological observations

Question 2

biometrist

Answer 2

one who is skilled in biometry

Question 3

conjunctivia

Answer 3

inner lining of eyelids

Question 4

conjunctivitis

Answer 4

inflammation of inner lining of eyelids

Question 5

cornea

Answer 5

central transparent part of outer coat of eye covering iris and pupil. Latin: web, tunic

Question 6

lacrimal

Answer 6

pertaining to tears and tear apparatus

Question 7

nasolacrimal

Answer 7

passage from lacrimal sac to nose

Question 8

opthamology

Answer 8

diagnosis and treatment of diseases of the eye

Question 9

orbit

Answer 9

the bony socket that holds the eyeball

Question 10

periorbital

Answer 10

pertaining to tissues around the orbit

Question 11

photophobia

Answer 11

fear of the light due to light sensitivity

Question 12

antibiotic

Answer 12

substance that has the capacity to inhibit the growth of/destroy bacteria

Question 13

blepharitis

Answer 13

inflammation of the eyelid

Question 14

blepharoptosis

Answer 14

drooping of the upper eyelid

Question 15

blepharoplasty

Answer 15

surgical repair of the eyelid

Question 16

contagious

Answer 16

infection that can be transmitted from person to person. Latin: touch closely

Question 17

contaminate

Answer 17

to cause an infectious agent to be on any surface

Question 18

hordeolum

Answer 18

abcess in an eyelash follicle. Latin: stye

Question 19

ptosis

Answer 19

sinking down of the upper eyelid. Greek: drooping

Question 20

amblyopia

Answer 20

failure of/incomplete development of the pathways of vision in the brain

Question 21

esotropia

Answer 21

turning the eye inward toward the nose

Question 22

exotropia

Answer 22

turning the eye outward away from the nose

Question 23

extrinsic

Answer 23

a muscle located entirely outside the structure under consideration

Question 24

intrinsic

Answer 24

a muscle located entirely inside the structure under consideration

Question 25

ocular

Answer 25

pertaining to the eye

Question 26

optometrist

Answer 26

someone skilled in the measurement of vision

Question 27

stereopsis

Answer 27

three-dimensional vision

Question 28

strabismus

Answer 28

turning of an eye away from its normal position

Question 29

avascular

Answer 29

without a blood supply

Question 30

iris

Answer 30

colored portion of the eye with the pupil in its center, greek.

Question 31

lens

Answer 31

transparent refractive surface behind the iris

Question 32

presbyopia

Answer 32

difficulty in nearsighted vision started in middle and old age

Question 33

pupil

Answer 33

opening in the center of the iris that allows light to reach the lens

Question 34

refract

Answer 34

bend or change direction of a ray of light

Question 35

retina

Answer 35

light-sensitive innermost layer of the eyeball

Question 36

sclera

Answer 36

fibrous outer convering of the eyeball and the white of the eye

Question 37

scleritis

Answer 37

inflammation of the sclera

Question 38

choroid

Answer 38

region of the retina and uvea

Question 39

fovea centralis

Answer 39

small pit in the center of the macula that has the highest visual acuity

Question 40

macula lutea

Answer 40

yellowish spot on the back of the retina, contains the fovea

Question 41

optic

Answer 41

pertaining to the eye or vision

Question 42

photoreceptor

Answer 42

a photoreceptor cell receives light and converts it into electrical impulses

Question 43

uvea

Answer 43

middle coat of the eyeball, includes the iris, ciliary body, and the choroid. Latin: vascular layer

Question 44

uveitis

Answer 44

inflammation of the uvea

Question 45

visual acuity

Answer 45

sharpness and clarity of vision

Question 46

astigmatism

Answer 46

inability to focus rays of light that enter the eye in different planes

Question 47

concave

Answer 47

having a hollowed surface

Question 48

convex

Answer 48

a surface that is curved outward

Question 49

foramen

Answer 49

an opening through a structure

Question 50

hyperopia

Answer 50

able to see distant objects, but not close ones

Question 51

in situ

Answer 51

in the correct place

Question 52

keratomileusis

Answer 52

(surgery that) cuts and shapes the cornea

Question 53

keratomy

Answer 53

inscision in the cornea

Question 54

myopia

Answer 54

able to see close objects, but not distant ones

Question 55

radial

Answer 55

diverging in all directions from any given center

Question 56

cataract

Answer 56

complete or partial opacity of the lens

Question 57

flourescein

Answer 57

dye that produces a vivid green color under a blue light (helps diagnose corneal abrasions and foreign bodies in the eye)

Question 58

glaucoma

Answer 58

increased intraocular pressure

Question 59

intraocular

Answer 59

pertaining to the inside of the eye

Question 60

opthalmia neonatorum

Answer 60

conjunctivitis in a newborn's eyes

Question 61

pollution

Answer 61

condition that is unclean, impure, and a danger to health

Question 62

angiography

Answer 62

radiography of vessels after injection of contrast material

Question 63

angiogram

Answer 63

radiogram of vessels after injection of contrast material

Question 64

laser surgery

Answer 64

use of a concentrated, intense narrow beam of electromagnetic radiation for surgery

Question 65

opthalmoscope

Answer 65

instrument for viewing the retina

Question 66

photocoagulation

Answer 66

using light (from a laser beam) to form a clot

Question 67

retinoblastoma

Answer 67

malignant neoplasm of primitive retinal cells

Question 68

retinopathy

Answer 68

disease of the retina, degenerative

Question 69

fundus

Answer 69

part farthest from the opening of a hollow organ

Question 70

fundoscopy

Answer 70

examination of the fundus (retina) of the eye

Question 71

Ishihara color system

Answer 71

test for color vision defects

Question 72

Jaeger reading cards

Answer 72

types of different sizes for testing near vision

Question 73

peripheral

Answer 73

pertaining to the periphery or external boundary

Question 74

Snellen letter chart

Answer 74

test for acuity of distant vision

Question 75

tonometer

Answer 75

instrument for determining intraocular pressure