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Health Assessment > Eye > Flashcards

Eye Flashcards

1
Q

adaptation of the eye for near vision by increasing the curvature of the lens

A

acommodation

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2
Q

unequal pupil size

A

Aniscoria

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3
Q

pupil doesn’t respond to light; doesn’t constrict with acommodation

A

Argyll Robertson Pupil

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4
Q

refractive error of vision due to differences in curvature in refractive surfaces of the eye

A

Astigmatism

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5
Q

infection of the conjunctiva

A

Conjunctivitis

“pink eye”

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6
Q

double vision

perception of 2 images of a single object

A

Diplopia

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7
Q

tough outter covering of eye

A

sclera

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8
Q

transparent covering of iris, pupil and interior chambers of eye

A

Cornea

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9
Q

the middle vascular part of eye that delivers blood to retina

A

choroid

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10
Q

Part of the retina. Area of ocular fundus in which blood vessels exit and enter

A

Optic Disc

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11
Q

Part of the retina. Round darker area of the ocular fundus that mediates vision from central vision field and has a part that has the “keenest vision”

A

Macula (fovea)

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12
Q

Visual Reflexes:

A
  1. Pupillary Light Reflex- bring light from side of head
  2. Fixation- focus on pen light or distant object
  3. Accommodation- adaptation to near vision
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13
Q

Pupillary Light Reflex (2 parts)

A
  1. Direct Light Reflex- constriction of that eye (light being shun into it)
  2. Consensual Light Reflex- constriction of opposite pupil with other eye
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14
Q

Commonly, babies are given what at birth?

A

Antibiotics

just incase mom passed on a vaginal infection

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15
Q

Geriatric considerations

A
  • lose peripheral vision
  • need glaucoma testing every 1-2 years
  • cataracts
  • ^ tear production with age
  • decreased activity
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16
Q

You’re at a higher risk of developing glaucoma if:

A

you have a 1st degree relative with glaucoma

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17
Q

Cross eyed

A

Stabismus

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18
Q

What are the 2 assessments of eye function?

A
  1. Snellen Chart- stand 20 ft away and read the letters

2. E chart- same thing but for those who can’t read

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19
Q

Nearsightedness

A

Myopia

20
Q

Farsightedness

A

Hyperopia

21
Q

Curvature of cornea so that light comes into eye doesn’t focus into the retina (blurred vision)

A

Astigmatism

22
Q

What test, test’s for near vision?

A

Jaegar Card

23
Q

decrease in power of accommodation (cant see really close.. have to back up)

A

Presbyopia

24
Q

Extraocular Muscle Assessment: (2)

A
  1. Corneal Light Reflex- reflection of light in same spot on eyes
  2. Cover Test- have them cover 1 eye. looking for deviation/movement of uncovered eye
25
Q

How do you test the extraocular muscles of the eye?

A

Diagnostic Positions Tests: 6 Cardinal Fields of Gaze

26
Q

involuntary rhythmic movement of eyes

A

Nystagmus

27
Q

What 3 layers make up the eye?

A
  1. sclera
  2. choroid
  3. Retina
28
Q

a biconvex disc located just posterior to the pupil that helps retina focus light

A

lens

29
Q

visual receptive layer of eye where light waves are changed into nerve impulses

A

retina

30
Q

____ vision is intact in newborn infants

A

peripheral vision

31
Q

the ___ is absent at birth but is developing by ___ months and is mature by ___ months

A

macula
4 months
8 months

32
Q

When does an infant establish binocularity and can fixate on a single image with both eyes simultaneously?

A

3-4 months

33
Q

most babies are born ___ which decreases by age 7-8.

A

farsighted

34
Q

By the age of 40’s a person often has:

A

blurred vision and difficulty reading

35
Q

In older adults, the most common causes of decreased visual functioning are:

A
  1. Cataract- clouding of lens from clumping proteins
  2. Glaucoma- optic nerve neuropathy, loss of peripheral vision
  3. Age-related macular degeneration (AMD)- loss of central vision from yellow deposits (drusen)
  4. Diabetic Retinopathy- vision impairment
36
Q

leading cause of blindness in working-age adults 25-74yrs old

A

Diabetic Retinopathy

37
Q

a blind spot surrounded by healthy, normal or decreased vision, occurs with glaucoma and optic nerve disorders

A

Scotoma

38
Q

Glaucoma is characterized by:

A

increased intraocular pressure

39
Q

in the snellen eye test, what does 20/20 mean?

A

top 20- how far you’re standing from the chart (20ft)

bottom number- the distance at which a normal eye read that particular line

40
Q

the confrontation test is screening for:

A

loss of peripheral vision

compares pt’s peripheral vision with your own

41
Q

in an older adult, failure to pass the confrontation test means:

A

loss of peripheral vision & gluacoma!

42
Q

Asymmetry of the Corneal light reflex indicates:

A

deviation in alignment from eye muscle weakness or paralysis

43
Q

Nystagmus occurs with disease of the ___ ____ in the ears, a ___ eye muscle, ____ _____, or brain ____.

A

semicircular canals
paretic eye muscle
multiple sclerosis
brain lesions

44
Q

lid lag is caused by?

A

hyperthryroidism

45
Q

in infants: purulent discharged caused by a chemical irritant, bacterial, or viral agent from the birth canal.

A

Opthalmia Neonatorum

46
Q

In older adults, an increased risk of falls and fracture occurs with a distance visual acuity of __/__ or greater

A

20/25

Health Assessment (12 decks)

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