OSE 
This paper takes 120 minutes. We are given a booklet of OSE Qs which we don’t have to move around. There are 12 questions. No real instruments given. There are all together 52 candidates in London, City Temple Center. 

Question 1 

Three brain stem anatomy pictures with the arrows pointed on red nucleus, olive, pyramid, seventh nerve (curved around the sixth nucleus), third nerve and sixth nerve. Asked to name them. 
 

Question 2

Retinoblastoma. Histology picture showing Flexner Wintersteiner Rosette. Questions asked included what are the other histology features? What are the other three differential diagnosis of leucokoria in a 12 month old child. 
 

Question 3

Giemsa stain showing Chlamydia. What is this? How do you treat? 
 

Question 4 

Pachymeter: Draw the ray diagram. 
 

Question 5

Focimeter: Draw ray diagram, why green light used? 
 

Question 6 

Bifocal glasses: what are the indications for prescribing? In what four conditions bifocal are contraindicated? 
 

Question 7 

Lens transposition. 
 

Question 8 

Hess test showing the inferior oblique underaction with contralateral SR overaction. No question on diagnosis but I think is Brown’s syndrome. 
 

Question 9

Humphrey visual field: left superior homonymous quadranopia. Qs on where and what is the likely lesion? 
 

Question 10

FFA: describe the anomaly. Round hyperfluorescene area at fovea increase in intensity but not the size. PED 
 

Question 11

CT Scan: enlarge medial rectus with hyperdense lesion in the brain 
 

Question 12

Blood investigation results with normal range given. Questions on what are the systems affected. Eg renal, anemia. c-ANCA level increased. Likely cause of multisystem failure? Wegener’s granulomatosis.