Readers react to a rare visual disorder, microplastics in arteries and more

Let’s face it

Scientists re-created the demonic distortions that a patient with prosopometamorphopsia, or PMO, sees when looking at faces, Anna Gibbs reported in “Here’s what faces can look like to people with a rare visual disorder” (SN: 4/20/24, p. 32).

Reader John Henderson asked whether research on facial blindness could help scientists better understand PMO.