Posterior ischemic optic neuropathy (PION) presents as a rapidly progressive painless vision loss unilaterally or bilaterally. It can be classified based on the etiology and includes peri-operative PION, risk factors of which include hypotension and anemia. Intradialytic hypotension (IDH), the most frequently encountered complication of hemodialysis, can manifest as perfusion-related symptoms leading to significant morbidity and mortality. However, its possible effects on vision are poorly documented.
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Villavicencio et al. (2024) studied this question.
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