Exam (elaborations)
CMN-568 Exam Questions And Accurate Answers Latest Update
- Course
- Institution
CMN-568 Exam Questions And Accurate Answers Latest Update...
[Show more]
Seller
Follow
Content preview
CMN-568 Exam Questions And AccurateAnswers Latest Update
Myopia - Answer nearsightedness. objects nearby are in focus, distant objects are
blurred. focus is anterior to retina. Need divergent lenses
Hyperopia - Answer farsightedness. Infants have a hyperoptic reaction that diminshes in
toddler years. Can lead to crossed eyed-esotropia and amblyopia-loss of vision
Astigmatism - Answer Cornea or lens is not perfectly spherical, the image will be in 2
planes. can lead to decreased vision
Aniscoria - Size difference between 2 pupils
Ocular Foreign Body- Must have magnification with a slit lamp. Can remove with Saline
solution or cotton applicator after topical anesthetic is given. Penetrating injuries are an
Eye emergency, refer ASAP!
Corneal Abrasion - Answer Loss of superficial layer of corneal cells. Causes severe pain
and tearing, eyelid edema, eye redness, etc. applied fluorescein dye, abrasion will turn
bright yellow. give erythromycin ointment. (FYI corneal ulcer is treated the same way.
need urgert referal!)
Blunt Orbital Trauma - Answer "black eye" may result in orbit fracture. recomand cold
compresses. Children usually have a "white-eyed blowout fracture" or greenstick
fracture of the orbit. watch for orbital compartment syndrome. This is an emergency
and must be treated with lateral eyelid canthotomy to decompress the swollen eye
Lacrimal lacerations - Answer risk for injury to the lacrimal system and chronic tearing.
require repair in OR
, Burns of the eye - Answer can cause permanent vision loss and scaring. need
immediate referal. Irrigate eye, remove precipitates, topical ABX, and eye patching.
Hyphema - Answer Layer of blood within the anterior chamber. May be microscopic or
fill the entire chamber. From blunt trauma or a ruptured vessel. shield should be placed
over eye, elevate head, and refer!
Abusive Head Trauma - Answer retinal hemorrhages, lid ecchymosis, subconjuctional
hemorrhage, hyperema, retinal folds, retinoschisis, optic nerve edema. REFER! (FYI
simple retinal hemorrhages can be normal in healthy newborns and usually due to
vaginal delivery. will resolve within 1 month)
Blepharitis - Answer From inflammation of eyelid, gland obstruction, and bacterial
overgrowth. Treat with warm compresses, clean with baby shampoo, and erythmycin
ointment
Chalazion-obstruction of meibomian gland. Results in Inflammation, fibrosis and
granuloma fromation. Presents as nodule of eyelid with localized redness. Tx same as
Blepharitis
Hordeolum-"Sty" Staph infection of Zeis gland. Tx warm compresses
Ptosis of eyelid-droopy upper eyelid. Caused by defective levator muscle. Requires
surgery
Horner Syndrome - Answer Caused by and abnormality or lesion to the sympathetic
chain. Usually from birth trauma or cardiac sx, brainstem malformation, or
neuroblastoma. presents with unequal pupils, different color eyes, and eyelid ptosis.
vision is usually intact. treat underlying condition
Dacrocyctitis - Question infection of the nasolacrimal sac causing redness and edema of
the nasolacrimal sac. may be either congenital or acquired. symptoms include tearing
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Chrisyuis. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79789 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now