Week 2 Module 2 Chapter 59

Question 1

What is the snellen chart used for

Answer 1

distance testing

Question 2

what does the rosenbaum pocket screener test for

Answer 2

near vision

Question 3

What should you notice on an exam of the external eye structure

Answer 3

irritation, inflmmation, discharge
- Assess eyelids, sclera, pupils and pupillary response

Question 4

What are some diagnostic evaluation techniques

Answer 4

• ophthalmoscopy
• slit lamp exam
• color vision testing
• amsler grid
• ultrasonography
• Fundus photos
• tonometry
• laser scanning
• angiography
• perimetry testing

Question 5

What do the terms astigmatism, emmetropia, hyperopia and myopia mean

Answer 5

astigmatism: distortion caused by irregular cornea
emmetropia: normal vision
hyperopia: farsighted
myopia: nearsighted

Question 6

What must a nursing assessment of vision look for

Answer 6

functional ability (ADLs)

Question 7

What are some barriers to absorption for eye medications

Answer 7

size of conjunctival sac, corneal mem barriers, blood ocular barriers, tearing, blinking, drainage

Question 8

What do mydriatics do to the eye

Answer 8

dilate

Question 9

What do cycloplegics do to the eye

Answer 9

paralyze

Question 10

What are some side effects of long term topical steroids

Answer 10

glaucoma, cataracts, increased infection risk

Question 11

What condition is the silent thief of vision

Answer 11

glaucomas

Question 12

What are some nursing management of glacucoma

Answer 12

• assess knowledge level and adhereance to meds
• education about self care
• educate on effects of meds

Question 13

What are some diagnostic findings for cataracts

Answer 13

decreased visual acuity, opacity of the lens, slit lamp and inspection

Question 14

What is phacoemulsification

Answer 14

an ECCE that uses an ultrasonic device to suction the lens out

Question 15

What is some nursing management of cataracts

Answer 15

• post/preop care
• admining meds
• written and verbal instructions
• tell them to call if they experience VC, flashing lights, redness, swelling or pain

Question 16

What is a lens replacement

Answer 16

remove lens and then they insert an intraocular lens

Question 17

What is a corneal dystrophies

Answer 17

deposits in the corneal layers

Question 18

What is a keratoplasty

Answer 18

replaces a damaged, diseased, or scarred cornea with healthy donor tissue to restore vision, reduce pain, and repair the cornea’s structure

Question 19

What is a phototherapeutic keratectomy

Answer 19

laser procedure that is used to treat diseased corneal tissue, removes corneal opacities and smooths surfaces

Question 20

What is central retina vein occlusion

Answer 20

serious, usually one-eyed, eye condition occurring when a blood clot blocks the main vein draining the retina

Question 21

What is branch retinal vein occlusion

Answer 21

a blockage of a small vein in the eye’s retina, often caused by hardened arteries compressing veins, which leads to blood/fluid leakage, blurred vision, and potential, sudden, painless vision loss

Question 22

What is the surgical treatment of retinal detachment

Answer 22

• scleral buckle (compresses sclera)
• vitrectomy (intraocular procedure)

Question 23

What is retinal vein or artery occlusion

Answer 23

loss of vision which can occur from retinal vein or artery occlusion

Question 24

How can you get an occlusion

Answer 24

results from atheroclerosis, cardiac valvular disease, venous stasis, HTN

Question 25

What is dry age related macular degeneration

Answer 25

Slow breakdown of the layers of the retina with the appearance of debris

Question 26

What is wet age related macular degeneration

Answer 26

- Abrupt onset - Proliferation of abnormal blood vessels growing under the retina-choroidal revascularation

Question 27

Can you treat bacterial conjunctivitis

Answer 27

yes

Question 28

Which kind of conjunctivitis is contagious

Answer 28

viral