retinal haemorrhage
Last reviewed 01/2018
Causes include:
- diabetes mellitus
- hypertension
- raised intracranial pressure
- trauma and retinal detachment
- retinal vein thrombosis
- subarachnoid haemorrhage
- arteritis (giant cell arteritis, PAN etc.)
- severe anaemia, especially pernicious anaemia
- bleeding diathesis - defects in platelets (particularly leukaemia), coagulation factors, vessels