Cortical Blindness Following Coronary Angiography

BWK Kwok, TT Lim
Correspondence: B W K Kwok

ABSTRACT
A 53-year-old man developed transient cortical blindness after coronary angiography, which appears to be an adverse reaction to contrast agent. A possible mechanism of this complication is contrast penetration of the blood-brain barrier with direct neurotoxicity to the occipital cortex.

Keywords: blindness, adverse reaction, contrast media
Singapore Med J 2000; 41(12): 604-605