Chapter 13 Test

Front 1

What is Fovea Centralis?

Back 1

An area within macula that only contains cones and provides the sharpest image.

Front 2

Myopia

Back 2

Occurs when light rays entering the eye focus in front of retina.

Front 3

Exophthalmia

Back 3

Protrusion of eyeball from its orbit. (May be congenital or the result of an endocrine disorder

Front 4

Scotoma

Back 4

Area of decreased vision in the VF. Commonly called a blind spot.

Front 5

Cerumen Glands Secrete

Back 5

By modified sweat glands within the external auditory canal.

Front 6

Astigmatism

Back 6

Occurs when light rays entering the eyes are focused irregularly.

Front 7

Nystagmus

Back 7

Involuntary back and forth eye movements due to a disorder of labrinth of the ear and or parts if the nervous system associated with rhythmic eye movements.

Front 8

Eustachian tube

Back 8

Helps equalize pressure within middle ear.

Front 9

Corneal Ulcer

Back 9

Trauma to outer covering of the eye resulting in an abrasion.

Front 10

Anisocoria

Back 10

Condition of unequally sized pupils sometimes due to pressure on a optic nerve because of trauma or lesion.

Front 11

Cataracts

Back 11

Cloudy or opaque area in the normally clear lens of the eye.

Front 12

Sections Of The Ear

Back 12

3 sections on the ear :

-outer ear

-middle ear

-inner ear

Front 13

Cornea

Back 13

Cornea acts like a window that allows light to enter. It also refracts or bends in direction of light rays after they enter the eye.

Front 14

Glaucoma

Back 14

Increased intraocular pressure which damages the optic nerves.

Front 15

Tonometry

Back 15

Measurement of IOP. Used I diagnosis of glaucoma.

Front 16

VA Assessment

Back 16

Test of the sharpness of vision. Also call snellen test.

Front 17

Slit Lamp Examination

Back 17

Allows fr examination of structures at the front of the eye using a combination of low pressure microscope and high-intensity light.

Front 18

Schirmer Tear Test

Back 18

Determines amount of tear production, useful in diagnosing dry eye.

Front 19

Evisceration of the eye

Back 19

Removal of contents of the eyeball, leaving the outer coat intact.

Front 20

Astigmatic Keratomy

Back 20

Corneal incision prices that treats astigmatism by creating a rounder cornea.

Front 21

Eardrum

Back 21

Tympan/o

Myring/o

Front 22

Lasik

Back 22

Laser assisted in situ-keratomileusis

Front 23

Myringitis

Back 23

Inflammation of eardrum due to bacterial or viral infection.

Front 24

Tympanometry

Back 24

Measurement o condition and mobility of the eardrum. Graph called tympanogram.

Front 25

Otoscopy

Back 25

Visual examination of external auditory canal and tympanic membrane using otoscope.

Front 26

Audiometric

Back 26

Done in family practice. Shows lowest intensity of sound an individual can hear.

Front 27

Conductive Hearing Loss

Back 27

Caused by problems that start in external born middle ear and prevents sound vibrations.

Front 28

Sensorineural Hearing Loss

Back 28

Results from an abnormality of the organ of corti or auditory nerve.