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Editor,—Takayasu’s arteritis (TA) is a systemic necrotising vasculitis of unknown aetiology whose characteristic ocular manifestations relate to ocular ischaemia. Orbital colour Doppler imaging (CDI) is useful to evaluate haemodynamics of the orbital circulation and its abnormalities.1 We report the ophthalmic artery blood flow in two patients with TA using CDI.
CASE REPORT Case 1
A 34 year old man, previously diagnosed with TA was referred for ophthalmic evaluation. He had absence of radial artery pulses, unrecordable upper extremity blood pressure measurements, lower extremity hypertension, arteriographic evidence of total left brachiocephalic artery occlusion, right brachiocephalic and bilateral common carotid artery stenoses, increased erythrocyte sedimentation rate (11 mm in the first hour), and positive C reactive protein. The best corrected Landolt visual acuity was light perception in the right eye and 0.2 in the left. Intraocular pressures …
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