Table 4.

Trial timeline

Week	-2	0	1–3	4	5–7	13	20	24	28	36	44	48
Orthoptic assessment	✓	✓		✓		✓		✓		✓		✓
Clinical assessment	✓	✓		✓		✓		✓		✓		✓
Blood tests	✓	✓	✓	✓		✓	✓	✓	✓	✓	✓	✓
Quality of life questionnaires	✓					✓						✓
Prednisolone	start							stop
Azathioprine/Placebo		start
Radiotherapy/Sham-radiotherapy					✓

Week -2 = enrolment; Week 0 = randomisation