Table 1 Clinical characteristics of participants

Number of patients, n

30

Age, years (SD)

55.49 (12.55)

Sex, female/male

14/16

Eye, right/left

28/27

Duration of diabetes, years (SD)

13.73 (8.07)

HbA1c, % (SD)

8.63 (2.00)

 No drug therapy, n (%)

4 (13.3%)

 Oral hypoglycaemic agents, n (%)

5 (16.7%)

 Insulin, n (%)

6 (20%)

 Insulin and oral hypoglycaemic agents, n (%)

15 (50%)

Best-corrected visual acuity, logMAR (SD)

0.14 (0.21)