Special Functions of the Eye and Ear

prefix in corneal

N/A

root of corneal

corne-

corne-

cornea

suffix in corneal

-al

-al

pertaining to

prefix in conjunctivitis

N/A

root in conjunctivitis

conjunctiv-

suffix in conjunctivitis

-itis

-itis

inflammation

prefix in periorbital

peri-

peri-

around

root in periorbital

orbit

orbit-

circle, orbit

suffix of periorbital

-al

colored portion of the eye

iris

bend a ray of light

refract

opening in the iris

pupil

transparent, refractive structure

lens

innermost layer of the eyeball

retina

fibrous, outer covering of the eye

sclera

without a blood supply

avascular

-strict

narrow

a-

without, no, not

retin-

retina

dilat-

dilate

Sharpness and clearness of vision

acuity

Because it has no rods and cones, the optic disc cannot form images and is called the

blind spot

The term photoreceptor has

a combining form, a root, and a suffix

The area of sharpest vision

fovea centralis

deconstruct the term centralis

central (center) + is (pertaining to)

deconstruct the term photoreceptor

phot/o (light) + recept (receive) + or (that which does something)

deconstruct the term optical

optic (eye) + al (pertaining to)

What words could Jenny Hughes likely use to describe her condition of photophobia

the light hurts my eye

Medical term for pink eye

conjunctivitis

Dr. Chun’s specialty is described as a

specialist in the diagnosis and treatment of eye disorders

inflammation of the conjunctiva

conjunctivitis

drooping of upper eyelid

blepharoptosis

partial paralysis

paresis

red, crusted, and ulcerated eyelid

blepharitis

abscess in an eyelash follicle

hordeolum

Mrs. Hughes has conjunctivitis

of both eyes. It is important that she wash her hands before touching things, because this condition is contagious

Mrs. Hughes, you have a(n)

inflammation of the inner lining of the eyelid

This condition

is a contagious infection

The medication in the eye drops

kills the bacterial infection

a turning of the eye outward away from the nose

exotropia

failure or incomplete development of the pathways of vision to the brain

amblyopia

turning of the eye inward toward the nose

esotropia

a turning of an eye away from its normal position

strabismus

three-dimensional vision

stereopsis

the adjustment of the lens by itself

accommodation

deconstruct exotropia into its elements

exo + trop + ia

deconstruct esotropia into its elements

eso + trop + ia

deconstruct amblyopia into its elements

ambly + opia

deconstruct stereopsis into its elements

stere + opsis

construct the medical term for inability to focus light rays

a + stigmat + ism

construct the medical term for able to see distant objects but not close ones

hyper + opia

construct the medical term for able to see close objects but not distant ones

myop + opia

loss of peripheral vision can be caused by

glaucoma

smoke and perfume are

pollutants

scratching your eye with a tree branch can produce a(n)

abrasion

a clouding of the lens associated with aging

cataract

a person who states that light hurts their eyes is complaining of

photosensitivity

deconstruct abrasion into its elements

abras + ion

deconstruct glaucoma into its elements

glauc + oma

deconstruct ophthalmia into its elements

ophthalm + ia

deconstruct photosensitivity into its elements

phot/o + sensitiv + ity

deconstruct neonatorum into its elements

neo + nat + orum

deconstruct uveitis into its elements

uve + itis

cancer of the eye and most common form of eye cancer occurring in children

retinoblastoma

inability to see in poor light

night blindness

condition that occurs in diabetes and can lead to blindness, a condition known as diabetic

retinopathy

loss of central vision due to the degeneration of the retina lateral to the optic disc

macular degeneration

what element type is -blast- in retinoblastoma

root

What is the meaning of the root in retinoblastoma

young cell

what type of element is -scope in ophthalmoscope

suffix

What is the meaning of the suffix in ophthalmoscope?

instrument for viewing

what type of element is -ic in ophthalmoscopic

suffix

what is the meaning of the suffix in ophthalmoscopic

pertaining to

what type of element is ophtham/o- in the term ophthamoscopy

combining form

What is the meaning of the root in ophthalmoscopy

eye

what kind of element is the bolded part of retinopathy

suffix

what is the meaning of the suffix in retinopathy

disease

what type of element is the bolded part of ophthalmology

suffix

what is the meaning of the suffix in ophthalmology

study of

The test used to measure color blindness

Ishihara

peripheral vision measures the outer edge of the

visual field

a test for near vision is the

Jaeger card

used to detect corneal abrasions or ulcers

fluorescein

kerat-

cornea

cry/o-

cold

-ectomy

excision

-plasty

surgical repair

phot/o-

light

trabecul-

eye’s fluid drainage system

medication to treat glaucoma

miotic

medication to treat dry eyes

lubricant

medication to treat bacterial infection of the eye

antibacterial

medication to treat allergic disorder of the eye

anti-inflammatory

medication to dilate the pupil in order to view the eye fundus

mydriatic

medication to treat chemical burn to the eyes

ocular topical anesthetic