Ranitidine 150mg or cimetidine 400mg plus metoclopramide 10mg orally 2 hours preoperatively to reduce the volume of stomach acid. The anaesthetist should try to prevent sudden rises in blood pressure that might rupture them, further damaging the eyesight. Ensure an adequate depth of anaesthesia, especially at induction. Infection - diabetics are prone to getting infections that can upset their sugar control. If possible, delay surgery until these are treated.
Wound infections are common.
Great care should be paid to aseptic techniques when any procedure is undertaken. Miscellaneous - diabetes may be caused or worsened by treatment with corticosteroids, thiazide diuretics and the contraceptive pill. Thyroid disease, obesity, pregnancy and even stress can affect diabetic control. It is vital that the instructions are properly followed for whatever method is used. When using meters, ensure that the testing strips are properly matched for the meter.