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Table 1 Schedule of assessments and procedures

From: Diabetic macular oedema and diode subthreshold micropulse laser (DIAMONDS): study protocol for a randomised controlled trial

  Baselineb Post randomisation (months)
4b 8b 12b 16b 20b 24b
Informed consent       
Medical history
HbA1ca       
BCVA in study eye and fellow eye
Binocular distance vision      
Humphrey 10–2 visual field in study eye      
Esterman binocular visual field      
SD-OCT
NEI VFQ-25      
EQ-5D-5L      
VisQol      
Randomisation       
Subthreshold micropulse laser/
standard threshold laser
$ $ $ $ $ $
Adverse events
  1. BCVA best corrected visual acuity, SD-OCT spectral domain optical coherence tomography, NEI-VFQ-25 National Eye Institute Visual Functioning Questionnaire-25, EQ-5D-5 L European Quality of Life-5 Dimensions, $ retreatment is possible at follow-up visits if needed
  2. aIf glycosylated haemoglobin type A1C (HbA1c) has been tested in the past 3 months and its value is available, it can be recorded in the case report form. If no previous HBA1c test (within the previous 3 months from baseline), a blood sample should be drawn to measure it. HbA1c is obtained as a measure of glycaemic control
  3. bVisits may take place within ± 14 days of the due date