+Blindness is a state characterized by the absence of the sense of [Sight](/wiki/sight). It can stem from various causes, often categorized as a [Physical Disability](/wiki/physical_disability), or metaphorically describe a lack of understanding or awareness.
+## See also
+- [Vision](/wiki/vision)
+- [Perception](/wiki/perception)
+- [Sensory System](/wiki/sensory_system)
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