OCANZ WRITTEN EXAM 2024 LATEST UPDATED 93 QUESTIONS AND ANSWERS

OCANZ WRITTEN EXAM 2024 LATEST UPDATED 93 QUESTIONS AND ANSWERS A 75 y/o F comes in for her annual check comp laining 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? - Correct answer -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? - Correct answer -Nuclear Sclerotic c) Describe a cataract op in laymans terms - Correct answer -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? - Correct answer -Postoperative regimens of topically applied antibiotics, corticosteroids, NSAIDs, and oral analgesic agents vary among practitioners. From Incision - wound leak Corneal Astigmatism Keratopathy IOP rise Endopthalmitus IOL disslocation Sunset syndrome Iris epithelial ingrowth Pupil Capture CMO Retinal Detachment Signs of Glaucoma - Correct answer -Disc Signs: Asymetric Cupping, Disc Haemorrhage , Increased cuppping, RNFL changes, PPA, NRR thining. Visual field loss characteristic to ONH changes, notching, superior arcuate defect. How is glaucoma diagnosed. - Correct answer -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? - Correct answer -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 sho wing 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? - Correct answer -Right homonymous hemianopia with macular sparing indicating a legion in the poste rior occipital lobe and optic radiations or optic tracts Medisoft plot showing a right homonymous hemianopia with macular sparing. What is the likely cause? - Correct answer -Vascular episode Tumour Medisoft plot showing a right homonymous hemianopia wit h macular sparing. What is the appropriate management? - Correct answer -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? - Correct answer -Internuclear ophthalmoplegia is caused injury or dysfunction in the medial longitudinal fasciculus (MLF) Patient with horizontal diplopia and a picture of a patient's eyes having problems with right eye adduction but no problems converging to read.