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Flashcards in Eyes Deck (63):
1

Light focused posterior to the retina

hyperopia

2

light focused anterior to retina

myopia

3

light not focused in all directions, cornea spherical

astigmatism

4

decreasing near vision due to decreased ability to accomodate

presbyopia

5

When do you start to get presbyopia?

40

6

How far away is snellen chart?

20 ft

7

How far away is visual acuity card?

14 in

8

What is the first test you do?

visual acuity

9

What is legal blindness?

20/200

10

How many fields per eye in visual fields?

4 - nasal, temporal, superior, inferior

11

Loss of temporal fields
Caused by pituitary tumor compressing optic chiasm

bitemporal hemianopsia

12

loss of half visual field

hemianopsia

13

total loss of vision

blind eye

14

Visual loss in similar fields
Optic tract, optic radiation or occipital cortex1
Common after stroke

homonymous hemianopsia

15

Pie in the sky, lower optic radiation or lower occipital region

quadrantoanopsia

16

What is rhythmic motion of eye?

nystagmus

17

Oral, raised irregular yellow-tinted lesions on periorbital tissues
Lipid deposits representing abnormal lipid metabolism

xanthelasma

18

What causes periorbital edema?

thyroid, allergies, renal disease

19

drooping of eyelid

ptosis

20

inability to completely close the eye caused by thyroid disease or bells palsy

lagophthalmos

21

Blocked meibomian gland

chalazion

22

staph infection of eyelash follicle

hordeolum

23

Dehiscence in the sclera without inflammatory changes

scleromalacia perforans

24

What is seen in wilson's disease?

Kayser-Fleischer ring - dark ring around iris

25

What is the most common injury of the eye?

corneal abrasion

26

When patient looks downward, deforms the lower lid due to it’s pointy shape

munson's sign

27

cornea protrudes as cone

keratoconus

28

What do you use with slit lamp?

proparacaine and fluorescein

29

What causes blephritis?

Bacterial infection
Seborrhea
Psoriasis
Allergic response
Rosacea manifestation

30

excessive tearing

epiphora

31

inflammation of lacrimal duct

dacryocysitis

32

Is subconjunctival hemorrhage dangerous?

no, due to coughing, sneezing, vomiting

33

Whitish-yellow, triangular nodular growth on bulbar conjunctiva near the limbus

pinguecula

34

ascular growth on bulbar conjunctiva from the medial canthus extending to the cornea

pterygium

35

Usually bilateral congenital tumor
Superotemporal quadrant near lateral canthus

dermolipoma

36

Does sclera have blood vessels?

NO

37

yellow sclera

jaudice/icterus

38

blue sclera

osteogenesis imperfect

39

thinning of sclera

senile hyaline plaque

40

Noninfectious inflammation of subconjunctiva and superficial to sclera
Benign and painless

episcleritis

41

Inflammation of the sclera
Related to systemic disease
Painful, bilateral with Photophobia

scleritis

42

Pupil

miosis

43

What causes miosis?

Opiate overdose
Pilocarpine (glaucoma)
Age
Horner’s Syndrome
Marcus Gunn

44

pupil >6mm and fails to constrict

mydriasis

45

What causes mydriasis?

Midbrain lesions
Oculomotor injury
Acute angle glaucoma
Cycloplegic drops
Drug abuse
Cocaine

46

What is unequal pupils?

anisocoria

47

sensory network of eye

retina

48

When does lysozyme increase?

pregnancy

49

what are bilat miotic eyes?

argyll robertson pupil

50

What causes argyll robertson pupil?

neurosyphilis and midbrain lesions

51

Dilated pupil 3-6 mm
Little constriction with light and accommodation
Benign and unknown cause

Adie's tonic pupil

52

Congenital gap in the iris
Can affect visual acuity and cause glare

iris coloboma

53

Adhesions between the cornea or lens

synechiae

54

How do you assess chamber depth?

shine light obliquely

55

How do you measure intraocular pressure?

tonometer

56

opacification of lens and leading cause of blindness

cataract

57

Thinning of the sclera allowing for outward bulging of ocular contents

staphyloma

58

White areas where retina and choroid is absent

colobomas

59

What is absent red reflex?

leukokoria

60

When is retinoblastoma most common?

kids

61

What disease has lens dislocation?

marfans

62

When do you not use mydriatics?

shallow anterior chamber

63

Which condition of the eye is associated with impaired vision?

corneal scar