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1. Health Belief Belief that one may become ill leads to positive behaviors
Model
Ex: smoking may lead to lung cancer, so the person quits smoking
2. Slit Lamp patient places chin in chin rest and ophthalmologist uses light and microscope to
examine eye
Cornea, lens, and anterior vitreous humor
3. Corneal Staining Fluorescein (dye) placed in the conjunctival sac and outlines irregularities on the
corneal surface.
Abrasions, ulcer, trauma or foreign bodies
4. Tonometry Measures IOP - puff of air in the eye
Normal range: 10-21 mm/Hg
, NUR1212C FINAL EXAM (2025/2026) Updated: EXAM QUESTIONS WITH
ACCURATE ANSWERS | GET IT RIGHT!!
5. Fluoresein An- Detailed image of eye circulation & rapidly takes pictures
giography
Helps assess problems of retinal circulation
6. Myopia Nearsighted (can only see near)
Light refracts BEFORE the retina
Tests: Snellen chart, tumbling E chart
Tx: contacts, glasses or laser surgery
7. Hyperopia Farsightedness (can only see far away)
Light refracts AFTER retina
Tests: Snellen & Tumbling E
Correction: Contacts, glasses, laser surgery or ocular implants
, NUR1212C FINAL EXAM (2025/2026) Updated: EXAM QUESTIONS WITH
ACCURATE ANSWERS | GET IT RIGHT!!
8. Presbyopia AGE-RELATED farsightedness
9. Cataracts Cloudy area in the lens of the eye
faded color, double vision, halos, trouble seeing at night
Tx: SURGERY
10. Cataract Surgery Pre-op: Rx eye drops, arrange transportation, stop blood thinners, no makeup,
lotions or perfumes, NPO 8 hrs before
Post-op: wear a clear plastic shield, do not rub your eyes, antibiotic and anti-in-
flammatory drops, do not bend down, do not lift heavy objects, avoid ANYTHING
that ^ IOP
, NUR1212C FINAL EXAM (2025/2026) Updated: EXAM QUESTIONS WITH
ACCURATE ANSWERS | GET IT RIGHT!!
11. Corneal abrasion Scrape or scratch on the cornea.
Caused by trauma, a foreign body, contacts, malnutrition, dry eye syndrome, and
some cancer therapies.
Tx: ASAP to avoid ulceration
Gentamicin or prednisolone drops
Laser surgery
Corneal transplant
Artificial cornea
12. Corneal ulcera- Deeper injury of the cornea than an abrasion.
tion
EMERGENCY: Cornea does not have its own blood supply.
Tx: broad spectrum antibiotics
steroids
eyedrops every hour for 24 hrs