T4 - Eye and Vision Assessment (Josh) Flashcards Preview

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Flashcards in T4 - Eye and Vision Assessment (Josh) Deck (51)
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1

Eye Refraction:

What are the different types?

Emmetropia (ideal)

Hyperopia (farsightedness)

Myopia (nearsightedness)

Astigmatism

2

Eye Refraction:

What causes Hyperopia (Farsightedness)?

lens does not refract light enough

3

Eye Refraction:

What causes Myopia (Nearsightedness)?

lens overbends the light

4

Pupil:

What is Miosis?

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

5

Pupil:

What is Mydriasis?

pupil dilates when exposed to reduced light or looking at distance

6

Pupil:

--- is constriction

--- is dilation

Miosis

Mydriasis

7

What is it called when eyes are uneven in size?

anisocoria

8

Health Promotion:

What type of food should we promote for good vision?

Fruit

Veggies
- Red
- Orange
- Dark Green

9

Vision Assessment:

--- --- assesses visual acuity.

--- --- assesses near vision

Snellen Chart

Rosenbaum Pocket Vision Screener

10

Vision Assessment:

What does the Ishihara Chart assess?

Color vision

11

What is Arcus Senilis?

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

***caused by fat deposits

12

What happens to Cornia as we age?

flattens, irregular surface of curve

13

Is yellowing of the lens normal as we age?

yes

14

What is Presbyopia?

diminished ability to focus on near objects as we age

15

As we age, what happens to intraoccular pressure?

increases

16

Diagnostic Tests:

What does a Slit-Lamp Examination do?

magnifies the anterior structures

17

Diagnostic Tests:

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

Corneal Staining

18

Diagnostic Tests:

Which test measures Intraoccular Pressure?

Tonometry

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

19

Diagnostic Tests:

Which test assesses retinal circulation and requires IV Access?

Fluorescein Angiography

20

Diagnostic Test:

Teaching for Fluorescein Angiography

Mydriatic eye drops prior

Fluids afterwards to flush contrast media

Skin may appear YELLOW for few hrs afterwards

Urine BRIGHT GREEN after test

21

Diagnostic Tests:

What is an Electroretinography?

graphs retinal response to light stimulation

22

Diagnostic Tests:

What does a Gonioscopy allow visualization of?

angle where iris meets cornea

23

Diagnostic Test:

What is purpose of Gonioscopy?

determines if Open Angle of Closed Angle Glaucoma

24

Eyelid Disorders:

What is Blepharitis?

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