In medicine, relating to or affecting both temples (sides of the head); commonly used to describe a type of visual field loss in both outer edges.
From 'bi-' (two) and 'temporal' (from Latin temporalis, relating to the temple or temples of the head). Medical term from late 19th century neurology.
Bitemporal hemianopia—loss of sight in both outer fields—is one of medicine's most elegant diagnostic signs because it pinpoints a specific location of brain injury, like a geographic fingerprint.
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