QUESTIONS AND VERIFIED ANSWERS
UPDATED STUDYGUIDE
optic disc shape & color - ANS✔✔-doughnut-like with orange/pink neuroretinal
rim & central white depression
optic cup/disk ratio - ANS✔✔-cup should not be more than 1/2 size of the disc
diameter
if larger, consider glaucoma
retinal vessels - ANS✔✔-arteries brighter red and narrower than veins; A:V ratio =
2:3 or 4:5
abnormal retinal vessels findings - ANS✔✔-cotton wool spots are associated with
DM & HTN
fovea centralis - ANS✔✔-lies in center of macula
2.5mm reflective area that is slightly darker
macular degeneration - ANS✔✔-deterioration of central portion of vision; leading
cause of vision loss
Drusen sign - ANS✔✔-physical finding with macular degeneration
snellen eye chart, 20/20 meaning? - ANS✔✔-the patient can see at 20 feet what the
normal person can see at 20 feet
the larger the denominator, the poorer the patient's vision***
hyperopia - ANS✔✔-farsightedness
"when hyper can go FAR"
myopia - ANS✔✔-nearsightedness
"My = me = near me"
, AGNP AANP EXAM COMPLETE TESTBANK
QUESTIONS AND VERIFIED ANSWERS
UPDATED STUDYGUIDE
presbyopia - ANS✔✔-impaired vision as a result of aging, difficulty maintaining
clear focus at a near distance due to less flexibility of crystalline lens & weak
ciliary muscles
arcus senilis - ANS✔✔-cloudy appearance of the cornea with gray/white arc or
circle around limbus d/t DEPOSITION of LIPID MATERIAL
no effect on vision
permanent, does not go away with decrease in lipids
pterygium - ANS✔✔-raised, wedge-shaped growth of thin, noncancerous tissue
over conjunctiva
pterygium RF - ANS✔✔-desert/sun exposure
hordeolum & cause - ANS✔✔-aka stye
acute inflamm, affecting eyelid caused by staph aureus
hordeolum s/sx - ANS✔✔-abrupt onset w/ pain and erythema of eyelid
H = hurt
localized, tender mass
hordeolum tx - ANS✔✔-hot compresses QID x10mins
PO abx if needed for preseptal cellulitis (clindamycin or Bactrim plus Agumentin
or cefpodoxime or cefdinir)
hordeolum - when to refer - ANS✔✔-Refer to ophtho if not resolved in 2 days**
chalazion - ANS✔✔-beady nodule on eye lid; infection or retention cyst of a
meibomian gland usually on upper eyelid
, AGNP AANP EXAM COMPLETE TESTBANK
QUESTIONS AND VERIFIED ANSWERS
UPDATED STUDYGUIDE
chalazion s/sx - ANS✔✔-PAINLESS apart from tenderness from localized
swelling
sensitivity to light, increased tearing, astigmatism if very large
chalazion tx - ANS✔✔-warm compresses
refer for surgical removal
blepharitis & cause - ANS✔✔-staph infection or seborrheic dermatitis of lid edge
blepharitis s/sx - ANS✔✔-greasy flakes, red, scaly; thick crusted lids
burn, itch, tearing
blepharitis tx - ANS✔✔-hot compresses
topical abx (bacitracin or erythromycin)
**vigorously scrub lashes & lid margins w/ eyes closed & follow with rinsing**
conjunctivitis - ANS✔✔-most common eye disorder
inflamm/infx of conjunctiva from allergies, chemical, bacteria, virus, or
gonococcal/chlamydial infx
(hx will tell you causative agent)
conjunctivitis s/sx - ANS✔✔-sensation of foreign body in eye; crust of sticky
mucopurulent d/c on eyelids
itch, burn, red, tearing, blurred vision, swelling eyelids
chemical conjunctivitis tx - ANS✔✔-self limiting: flush with NS
bacterial conjunctivitis d/c & tx - ANS✔✔-purulent
, AGNP AANP EXAM COMPLETE TESTBANK
QUESTIONS AND VERIFIED ANSWERS
UPDATED STUDYGUIDE
abx ointment or drops (levofloxacin, ofloxacin, ciprofloxacin, tobramycin,
gentamycin ophthalmic solution)
if recurrent, refer to ophthalmologist***
contact lenses most common cause
gonococcal conjunctivitis d/c & tx - ANS✔✔-copious purulent
refer to ophtho, ceftriaxone 1gm IM + azithromycin 1gm PO x1
ophthalmic emergency
chlamydial conjunctivitis tx - ANS✔✔-doxy 100mg BID x10 d OR azithromycin
1gm x1
allergic conjunctivitis d/c & tx - ANS✔✔-stringy increased tearing
PO antihistamines; refer to allergist/ophtho**
**steroids are not ordered by PCP d/t risk for increased intraocular pressure &
activation of HSV**
viral conjunctivitis d/c & tx - ANS✔✔-watery
sx care: artificial tears, cool compress, NSAIDs
herpetic conjunctivitis d/c & tx - ANS✔✔-bright red and irritated
**REFER TO OPHTHO: PO antivirals & long term f/u***
glaucoma (general) - ANS✔✔-G = gauge pressure = increased intraocular pressure
glaucoma cause - ANS✔✔-unknown