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OCANZ WRITTEN EXAM LATEST UPDATE 2024
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OCANZ WRITTEN EXAM LATEST UPDATE 2024
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OCANZ WRITTEN EXAM |2024 UPDATE1. Px holds a x4 mag telescope and VA reduces from 6/24 to 6/60.
Probable diagnosis? RP, diabetic retinopathy, malingerer, one other:
diabetic retinopathy
2. Amioderone causes what?: Vortex keratopathy
3. RE Aides pupil px given 0.12% pilocarpine. What happens? RE
constricts and LE doesn't, LE constricts and RE doesn't, , LE
constricts more than
RE.: RE constricts more than LE
4. With which disease is a Kayser-Fleischer ring seen?: Wilson's disease
5. What vitamin taken in EXCESS causes hair loss (madarosis),
headaches and blurred vision. Vitamin A, B, C or E: Vit A
6. What medication causes retinal haemorrhages? Quinines and 3
others.:
7. What topical medication needs to be shaken before use? Topical
steroids, antihistamines and 2 others: Topical steroids
8. Why do Topical steroids need to be shaken?: liquid suspension
9. Which of these diseases are more common in men? Fuch's, macular
hole, terriens marginal degeneration and one other.: terriens
, marginal degeneration 10. Which antihistamine causes immediate
relief?: Ketotifen
11. Patching schedule for 4 yr old amblyope..:
12. How to calibrate a keratometer.. using a steel ball with known
radius, RGP with known radius, something to do with a mirror and
rular and 2 formulas?:
13. X2 questions on accessing patients records.. need patient consent.:
14. When does UV change to visible light?: 400nm
15. Wavelength of UVB?: 280 - 315nm
16. Wavelength of UVA?: 315-380
17. When is corneal debridement not suitable? Phylctenulosis, filament
keratitis, herpes keratitis and 1 other: Phylctenulosis
18. What is Phylctenulosis?: phlyctenulosis is a corneal sequelae of
chronic Staphylococcal blepharitis, a disorder that often presents in
the clinic as chronic conjunctivitis or keratitis characterized by
punctate epithelial keratopathy, and/or marginal corneal infiltrates
19. -4.00DS and -7.00DS spec rx.. differential prism with a +1.50DS:
20. What causes ring scotoma? RP, high minus, high plus, one other:
high plus,
21. How often do you need to calibrate goldmann?: Monthly
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