A 46- year-old female patient was admitted to the intensive care unit (ICU) after liver transplantation. About an hour later after the
ICU admission, she had no pupillary light reflex. Both pupils were also fixed at 5 mm. Patients who undergo liver transplantation are
susceptible to neurologic disorders including hepatic encephalopathy, thromboembolism and intracranial hemorrhage. Abnormal
pupillary light reflex usually indicates a serious neurologic emergency in these patients; however, benign neurologic disorders such as
peripheral autonomic neuropathy or Holmes-Adie syndrome should also be considered. We experienced a case of fixed pupillary light
reflex after liver transplantation diagnosed as peripheral autonomic neuropathy.