Abnormal retinal arterial/arteriolar morphology Ophthalmic artery hypoperfusion 2026-01-07T10:29:16Z Chronic hypoperfusion due to large vessel disease e.g. carotid artery stenosis, Takayasu disease. Typically presents dilated veins, low retinal arterial pressure, peripheral microaneurysms, ocular hypotension and may lead to iris neovascularisation. Patients may have postural hypotension.