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Adult Health 1 - (Josh) > T4 - Eye and Vision Assessment (Josh) > Flashcards

T4 - Eye and Vision Assessment (Josh) Flashcards

(51 cards)

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1
Q

Eye Refraction:

What are the different types?

A

Emmetropia (ideal)

Hyperopia (farsightedness)

Myopia (nearsightedness)

Astigmatism

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2
Q

Eye Refraction:

What causes Hyperopia (Farsightedness)?

A

lens does not refract light enough

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3
Q

Eye Refraction:

What causes Myopia (Nearsightedness)?

A

lens overbends the light

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4
Q

Pupil:

What is Miosis?

A

pupil constricted when exposed to increased light or close work, such as reading

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5
Q

Pupil:

What is Mydriasis?

A

pupil dilates when exposed to reduced light or looking at distance

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6
Q

Pupil:

— is constriction

— is dilation

A

Miosis

Mydriasis

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7
Q

What is it called when eyes are uneven in size?

A

anisocoria

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8
Q

Health Promotion:

What type of food should we promote for good vision?

A

Fruit

Veggies

  • Red
  • Orange
  • Dark Green
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9
Q

Vision Assessment:

— — assesses visual acuity.

— — assesses near vision

A

Snellen Chart

Rosenbaum Pocket Vision Screener

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10
Q

Vision Assessment:

What does the Ishihara Chart assess?

A

Color vision

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11
Q

What is Arcus Senilis?

A

a narrow opaque band encircling the cornea, common in old age

***caused by fat deposits

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12
Q

What happens to Cornia as we age?

A

flattens, irregular surface of curve

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13
Q

Is yellowing of the lens normal as we age?

A

yes

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14
Q

What is Presbyopia?

A

diminished ability to focus on near objects as we age

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15
Q

As we age, what happens to intraoccular pressure?

A

increases

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16
Q

Diagnostic Tests:

What does a Slit-Lamp Examination do?

A

magnifies the anterior structures

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17
Q

Diagnostic Tests:

What do we do to check for corneal trauma, abrasions or ulcers?

A

Corneal Staining

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18
Q

Diagnostic Tests:

Which test measures Intraoccular Pressure?

A

Tonometry

***can be attached to the Slit-Lamp Device

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19
Q

Diagnostic Tests:

Which test assesses retinal circulation and requires IV Access?

A

Fluorescein Angiography

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20
Q

Diagnostic Test:

Teaching for Fluorescein Angiography

A

Mydriatic eye drops prior

Fluids afterwards to flush contrast media

Skin may appear YELLOW for few hrs afterwards

Urine BRIGHT GREEN after test

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21
Q

Diagnostic Tests:

What is an Electroretinography?

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A

graphs retinal response to light stimulation

22
Q

Diagnostic Tests:

What does a Gonioscopy allow visualization of?

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A

angle where iris meets cornea

23
Q

Diagnostic Test:

What is purpose of Gonioscopy?

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A

determines if Open Angle of Closed Angle Glaucoma

24
Q

Eyelid Disorders:

What is Blepharitis?

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A

inflammed, itchy red, eyelid

Greasy scales on brows and lids

25
Eyelid Disorders: What is Entropion?
inward turning of lid causing lashes to rub against eye ***requires surgical correction
26
Eyelid Disorders: What is Ectropion?
outward turning of eyelid ***requires surgery
27
Eyelid Disorders: --- is inward turning of eyelid --- is outward turning of eyelid
ENtropion is INward ECtropion is outward (ek)
28
Eyelid Disorders: What is term for a Stye?
Hordeolum
29
Eyelid Disorders: What is a Chalazion?
inflammation of sebaceous gland in eye
30
Eye Disorders: What is Keratoconjuctivitis Sicca?
Dry Eye Syndrome changes in tear composition, lacrimal gland dysfunciton or altered tear distribution
31
Eye Disorders: What drugs can cause Keratoconjuctivitis Sicca?
Antihistamines Beta Blockers Anticholinergics
32
Eye Disorders: What diseases can cause Keratoconjuctivitis Sicca?
RA Leukemia Sarcoidosis Radiation Burn
33
Eye Disorders: What is treatment for Keratoconjuctivitis Sicca?
Cyclosporine (Restasis) Artificial Tears Lubricating Ointment Surgery
34
Eye Disorders: What is Trachoma?
chronic, bilateral scarring form of Conjuctivitis
35
Eye Disorders: What bacteria causes Trachoma?
Chlamydia Trachomatis ***INFECTION CONTROL!!!
36
Eye Disorders: What are s/s of Trachoma?
tears photophobia eyelid edema
37
Eye Disorders: What is the chief cause of preventable blindness?
Trachoma - chronic, bilateral scarring form of conjuctivitis
38
Corneal Disorders: Why does a Corneal abrasion, ulceration or infection need IMMEDIATE treatment?
can cause permanent damage
39
Corneal Disorders: What meds can be given if Cornea is scratched, ulcerated, or infected?
anti-infective and steroid eyedrops
40
Corneal Disorders: --- is degeneration of corneal tissue.
Keratoconus ***Corneal Ring Transplant ***Keratoplasty (Corneal Transplant)
41
Eye Donation: What is requirements to donate eyes?
free from infectious disease or cancer at time of death
42
Eye Donation: What do you do to protect potential eye donors at time of death?
Elevate HOB 30 degrees Apply antibiotic eyedrops Close eyelids and apply small ice pack
43
Cataracts: --- begins at back of the lens --- forms in the center of the lens --- forms in the lens cortex and extends from the outside of the lens to the center.
Subcapsular Cataract Nuclear Cataract Cortical Cataract
44
Cataracts: Signs and Symptoms
Clouding and Blurring of lens Opacity makes it difficult to see retina Visual acuity restricted NO PAIN or eye redness
45
Cataracts: Risk Factors
Age Heavy sun exposure Direct Eye injury Diabetes Steroid use Down Syndrome
46
Cataracts: What is unique about Cataract Surgery?
done with sound waves they break up the lens, pieces are sucked out, and the capsule remains largely intact
47
Cataracts: What is the technical name of Cataract Surgery?
Phacoemulsification
48
Cataracts - Phacoemulsification: What should we assess for preoperatively?
Medication List Ability of client to instill eye drops post op
49
Cataracts - Phacoemulsification: What is Postop care?
Antibiotics give subconjuctivally Eye is unpatched, discharge usually occures within 1 hr Dark glasses required Instill antibiotic-steroid eyedrops Mild itching is normal PAIN INDICATES COMPLICATIONS Reduce IOP Prevent Infection Assess for bleeding
50
Cataracts - Phacoemulsification: What are signs of complications?
Sharp, sudden pain in eye Bleeding or increased discharge Lid swelling Decreased vision Flashes of light of floating shapes
51
Slide 45
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Adult Health 1 - (Josh) (26 decks)

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