NUR1212C Exam 1 Study Materials Questions and Answers 2024/2025
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Course
NUR 1212
Institution
NUR 1212
myopia
→ nearsightedness; light focuses before the retina; trouble seeing far objects
hyperopia
→ farsightedness; light focuses beyond the retina; trouble seeing close objects
presbyopia
→ vision decline due to age; lens is less elastic; hard to focus on close objects (think of
older p...
NUR1212C Exam 1 Study Materials
Questions and Answers 2024/2025
myopia
→ nearsightedness; light focuses before the retina; trouble seeing far objects
hyperopia
→ farsightedness; light focuses beyond the retina; trouble seeing close objects
presbyopia
→ vision decline due to age; lens is less elastic; hard to focus on close objects (think of
older people holding things far away to be able to see them)
cataract
→ protein denaturation of the lens; blurry vision; lens will appear opaque and cloudy
glaucoma
→ increased IOP; results from fluid buildup; can result in blindness; will be on meds for
life
→ result of changes of the blood vessels of the retina that occur over time; common cause
is type 2 DM; primary focus of care is prevention (maintain BS)
macular degeneration
→ loss of central vision; can be age related; interventions are aimed at maximizing
remaining vision
which eye disorder is hereditary?
→ primary open angle glaucoma
If something is stuck in the eye, which imaging assessment would you NOT use?
→ MRI- could pull out the object if metal
CT scan
→ can detect tumors, bone structures, and eye muscles
slit-lamp examination
→ exam of anterior eye structures (test where you put your chin on the rest)
corneal staining
→ dye is put into the conjunctival sac to point out abnormalities of the cornea
→ measures IOP; tests for glaucoma; puff of air into the eye
flourescein angiography
→ IV injection of a dye followed by serial photographs of the retina; used for problems
with retinal circulation
Electroretinography
→ graphs the retinas response to light stimulation
conjunctivits
→ inflammation of the conjunctiva; can be caused by chemical, viral, bacterial, or allergy.
→ Bacterial=pink eye
corneal abrasion
→ a scrape or scratch of the cornea; treat right away so it doesn't result in ulceration
corneal ulceration
→ deep injury of the cornea; an emergency
Why is a Corneal ulceration considered an emergency?
→ because the cornea has no separate blood supply and infections that can permanently
impair vision develop rapidly
keratononus
→ degeneration of the corneal tissue resulting in abnormal corneal shapes; can cause
corneal damage if untreated
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