OCANZ QUIZ TIM SHORT ANSWER QUESTIONS AND ANSWERS 2023. OCANZ Quiz Tim - Short Answer Questions 1. 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 c...