The downward turning or rotation of the eyes as a group, especially when both eyes move down together.
From Latin deorsum (downward) + version (from vertere, to turn). This medical term distinguishes between coordinated downward eye movement and other types of eye rotation.
While 'deorsumversion' sounds impossibly complex, it's just a fancy way to say 'looking down'—but doctors need the exact term because there are multiple types of eye movements, and miscommunication could lead to misdiagnosis of neurological problems.
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