OCANZ Quiz Tim - Short Answer Questions

OCANZ Quiz Tim - Short Answer Questions List and briefly discuss the major causes of visual impairment in Australia. List and briefly discuss the major causes of visual impairment in developing countries. - ✔✔In Aust ...

OCANZ Quiz Tim - Short Answer Questions List and briefly discuss the major causes of visual impairment in Australia. List and briefly discuss the major causes of visual impairment in developing countries. - ✔✔In Australia 1.AMD cause of 50% of all blindness-less common in developing countries due to lower life expectancy 2.Glaucoma- 16% of blindness 3.Cataract-11% of blindness 3. Diabetic retinopathy (+ other= 20%)- Most common cause of visual impairment in working age population 4. 3% uncorrected refractive error Developing countries -uncorrected refractive errors, cataract- unavailable surgery, trachoma- river water parasite, glaucoma A teenage male attends your practice because he knows he is colour defective and he has been told that there are some professions where restrictions are placed on those with a colour vision problem. What advice would you give this patient? - ✔✔Careers with strict restrictions: ARMED SERVICES POLICE AIR TRAFFIC CONTROLER FIRE SERVICES Also have restrictions but candidate can work within some divisions: COMMERCIAL PILOT MARINE and MARINE PILOT etc; TRAIN DRIVER ELECTRICIAL ENGINERING ELECTRICAL TRADES COMMERCIAL ARTIST, HOSPITAL LABORATORY TECHNICIANS PROFFESSIONAL TRANSPORT DRIVER- don't accept protanomaly- do accepy deuteranomoly Indicate the review cycle you would recommend for the following patients including your rationale behind the review cycle suggested a) a patient with mild background retinopathy annual review - ✔✔annual review Indicate the review cycle you would recommend for the following patients including your rationale behind the review cycle suggested a patient from whom you have just removed a superficial corneal foreign body - ✔✔1/52 to check for signs of infection/inflammation and healing process Indicate the review cycle you would recommend for the following patients including your rationale behind the review cycle suggested A patient with a branch retinal vein occlusion - ✔✔3/12 review- check for '90-day glaucoma' rubeosis iridis/neovascularistion and macular oedema Indicate the review cycle you would recommend for the following patients including your rationale behind the review cycle suggested a 6 year old child with hypermetropia and an alternating esotropia wear full cycloplegic rx - ✔✔review in 6 months if no amblyopia Indicate the review cycle you would recommend for the following patients including your rationale behind the review cycle suggested a patient with optic nerve head drusen - ✔✔3 years with medicare? Discuss the indications for gonioscopic assessment of a patients' anterior chamber angle. Describe the structures you will see if the angle is open. (Open to closed) - ✔✔increased IOPs, CAG symptoms, retinal vein/artery occlusions, pseudoexfoliation/PDS, pxs with glaucoma, anterior uveitis pxs with inc. IOPs, before dilation if van herick < grade 2 ciliary body, scleral spur, Anterior/ posterior trabecular meshwork, schwalbes line, Central visual field testing has an important role in the diagnosis of glaucoma. What type of central field test would you use for a patient who was a glaucoma suspect? How would you determine whether the test was reliable? What information would you concentrate on in the printout to help decide as to whether the patient had glaucoma? - ✔✔Humphreys visual field analyser- c24-2 full threshold Fixation losses <20% False positives <33% False negatives < 33% Glaucoma hemifield test, total deviation, pattern deviation type of loss presentparacentral, arcuate, nasal step, generalised depression, temporal wedge