If any of the following are present or suspected, please refer the patient to the emergency department (via ambulance if necessary) or seek emergency medical advice via phone to on-call consultant/registrar:
Note: pregnant patients with any diabetic retinopathy should be referred.
Note: definition of centre-involving diabetic macular oedema is thickening within 500 microns of the foveal centre associated with microaneurysms, haemorrhages or hard exudates.
If there is a change to a patient’s condition while waiting for their appointment, referring health professionals may further investigate and manage the situation, or send an updated referral to the outpatient service. Where there are significant concerns about a patient's condition, referring health professionals may check HealthPathways for urgent/same day advice or contact the relevant clinical team.