OCANZ Written September 2017, Top Questions and answers, 100% Accurate. VERIFIED.
1 view 0 purchase
Module
OCANZ
Institution
OCANZ
OCANZ Written September 2017, Top
Questions and answers, 100% Accurate.
VERIFIED.
A 75 y/o F comes in for her annual check complaining of reduced vision and increased intolerance to
glare. She has had a myopic shift and has cataracts.
a) What factors should you consider when referring for c...
OCANZ Written September 2017, Top
Questions and answers, 100% Accurate.
VERIFIED.
A 75 y/o F comes in for her annual check complaining of reduced vision and increased intolerance to
glare. She has had a myopic shift and has cataracts.
a) What factors should you consider when referring for cataract surgery?
Cataract Cause of visual complaint
Compramising Lifestyle
Driver
Anisometropia
Visual Acuity
Other Ocular Pathology
General Health and Medications
Patient wants to have operation
b) What type of cataract is most likely from the above description?
Nuclear Sclerotic
c) Describe a cataract op in laymans terms
Outpatient Basis
Before surgery seen by a specialist doctor
30-40 minutes on local anaesthetic
The Surgeon will make a tiny cut in your eye to get to the lens
High-frequency ultrasound device that breaks up the cloudy lens into small pieces
Small pieces gently removed from the eye with suction.
Cloudly lenses replaced by a clear plastic one
d) What are the post op drops (names and concentration) and common post-op complications you
would look out for weeks after?
Postoperative regimens of topically applied antibiotics, corticosteroids, NSAIDs, and oral
analgesic agents vary among practitioners.
Visual field loss characteristic to ONH changes, notching, superior arcuate defect.
How is glaucoma diagnosed.
Progression analysis, visual fields and RNFL scanning using OCT
Medisoft plot, RE: false +ve 3% fixation losses 7/10 Le: false +ve 7% fixation losses 2/10.
What is the reliability of the fields?
Fixation loss higher than about 20% is deemed unreliable.
A false positive rate around 20% or higher is considered to indicate low patient reliability
Medisoft plot showing a right homonymous hemianopia with macular sparing.
What is the full name and classification of the condition?
Where in the visual pathway is the loss?
Right homonymous hemianopia with macular sparing indicating a legion in the posterior occipital lobe
and optic radiations or optic tracts
Medisoft plot showing a right homonymous hemianopia with macular sparing.
What is the likely cause?
Vascular episode
Tumour
Medisoft plot showing a right homonymous hemianopia with macular sparing.
What is the appropriate management?
Prisms (field expanders)
Managment of cause if possible and review.
Patient with horizontal diplopia and a picture of a patient's eyes having problems with right eye
adduction but no problems converging to read.
What is the neurological lesion and syndrome shown?
Internuclear ophthalmoplegia is caused injury or dysfunction in the medial longitudinal fasciculus (MLF)
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 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 PassPoint02. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.38. You're not tied to anything after your purchase.
