Lesson 12 - Sensory Organs

Question 0

astigmatism

Answer 0

Defective curvature of the cornea or lens of the eye.

Question 1

amblyopia

Answer 1

(ambly/o=dull, dim; -opia=vision) Lazy eye. Partial loss of sight due to the failure of eyes to work together to focus on same point.

Question 2

audiometry

Answer 2

Testing the sense of hearing.

Question 3

blepharitis (blephar/o)

Answer 3

Inflammation of the eyelid.

Question 4

cataract

Answer 4

Clouding of the lens, causing decreased vision.

Question 5

cerumen

Answer 5

Ear wax.

Question 6

conjunctivitis

Answer 6

Inflammation of conjunctiva. (pinkeye)

Question 7

glaucoma

Answer 7

(glauc/o=gray) Increased intraocular pressure results in damage to the retina and optic nerve.

Question 8

hyperopia

Answer 8

Farsightedness.

Question 9

iris

Answer 9

Colored portion of the eye.

Question 10

LASIK

Answer 10

Use of a laser to correct errors of refraction (myopia, hyperopia, astigmatism)

Question 11

myopia

Answer 11

Nearsightedness

Question 12

opthalmologist

Answer 12

A medical doctor who specializes in treating disorders of the eye.

Question 13

ophthalamoscopy

Answer 13

Visual examination of the interior of the eye with an ophthalmoscope (done when the pupil is dilated).

Question 14

optometrist

Answer 14

Non-medical person who can examine eyes to determine vision problems and prescribe lenses (doctor of optometry; OD)

Question 15

otolaryngologist

Answer 15

One who specializes in ears, nose, and throat (ENT.)

Question 16

pupil

cor/o or pupill/o

Answer 16

Dark opening of the eye, surrounded by the iris, through which light rays pass.

Question 17

retina (retin/o)

Answer 17

Light-sensitive nerve cel layer of the eye containing photoreceptor cells (cones and rods)

Question 18

tinnitus

Answer 18

Sensation of noises (ringing, buzzing, whistling, booming) in the ears.

Question 19

tympanoplasty

Answer 19

Surgical reconstruction of the eardrum.

Question 20

vertigo

Answer 20

Sensation of irregular or whirling motion either of oneself or of external objects.

Question 21

visual acuity test

Answer 21

Clarity of the vision is assessed.