Ch. 10 Diagnostic Terms Flashcards Preview

Medical Terminology > Ch. 10 Diagnostic Terms > Flashcards

Flashcards in Ch. 10 Diagnostic Terms Deck (34)
Loading flashcards...
0
Q

astigmatism

A

distorted vision caused by an oblong or cylindrical curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina (stigma = point)

1
Q

refractive errors

A

defects in the bending of light as it enters the eye, causing an improper focus on the retina

2
Q

hyperopia

A

farsightedness

3
Q

myopia

A

nearsightedness

4
Q

presbyopia

A

impaired vision caused by old age or loss of acommodation

5
Q

accommodation

A

ability of the eye to adjust focus on near objects

6
Q

amblyopia

A

lazy eye (ambly/o = dim)

7
Q

aphakia

A

absence of the lens, usually after cataract extraction

8
Q

blepharitis

A

inflammation of the eyelid

9
Q

blepharochalasis; dermatochalasis

A

baggy eyelid; overabundance and loss of skin elasticity on the upper eyelid causing a fold of skin to hang down over the edge of the eyelid when the eyes are open (chalasis = a slackening)

10
Q

blepharoptosis; ptosis

A

drooping of the eyelid; usually caused by paralysis

11
Q

chalazion

A

chronic nodular inflammation of the meibomian gland, usually the result of a blocked duct; commonly presents as a swelling on the upper and lower eyelid (chalaza = hailstone)

12
Q

cataract

A

opaque clouding of the lens causing decreased vision

13
Q

conjunctivitis

A

pinkeye; inflammation of the conjunctiva

14
Q

dacryoadenitis

A

inflammation of the lacrimal gland

15
Q

dacryocystitis

A

inflammation of the tear sac

16
Q

diabetic retinopathy

A

disease of the retina in diabetics characterized by capillary leakage, bleeding, and new vessel formation (neovascularization) leaading to scarring and loss of vision

17
Q

ectropion

A

outward turning of the rim of the eyelid (tropo = turning)

18
Q

entropion

A

inward turning of the rim of the eyelid

19
Q

epiphora

A

abnormal overflow of tears caused by blockage of the lacrimal duct (epi = upon; phero = bear)

20
Q

glaucoma

A

group of diseases of the eye characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision

21
Q

hordeolum

A

sty; an acute infection of a sebaceous gland of the eyelid (hordeum = barley)

22
Q

iritis

A

inflammation of the iris

23
Q

keratitis

A

inflammation of the cornea

24
Q

macular degeneration

A

breakdown or thinning of the tissues in the macula, resulting in partial or complete loss of central vision

25
Q

pseudophakia

A

an eye in which the natural lens is replaced with an artificial lens implant

26
Q

pterygium

A

fibrous, wing-shaped growth of conjunctival tissue that extends onto the cornea, developing most commonly from prolonged exposure to ultraviolet light

27
Q

retinal detachment

A

separation of the retina from the underlying epithelium, disrupting vision and resulting in blindness if not repaired surgically

28
Q

retinitis

A

inflammation of the retina

29
Q

strabismus; heterotropia

A

a condition of eye misalignment caused by intraocular muscle imbalance (strabismus = a squinting; hetero = other)

30
Q

esotropia

A

right or left eye deviates inward, toward nose (eso = inward; tropo = turning)

31
Q

exotropia

A

right or left eye deviates outward, away from the nose (eso = inward; tropo = turning)

32
Q

scleritis

A

inflammation of the sclera

33
Q

trichiasis

A

misdirection eyelashes that rub on the conjunctiva or cornea

Decks in Medical Terminology Class (120):