* Night vs. day: This is another common metaphor for blindness vs. sight. Night represents blindness, while day represents sight.
* Fog vs. clear skies: Fog represents blindness, while clear skies represent sight.
* A wall vs. an open door: A wall represents blindness, while an open door represents sight.
* A closed book vs. an open book: A closed book represents blindness, while an open book represents sight.
* A blindfold vs. glasses: A blindfold represents blindness, while glasses represent sight.
* A camera with a lens cap on vs. a camera with the lens cap off: A camera with a lens cap on represents blindness, while a camera with the lens cap off represents sight.
* A telescope vs. a microscope: A telescope represents sight from a distance, while a microscope represents sight up close.
* A kaleidoscope vs. a prism: A kaleidoscope represents a distorted view of reality, while a prism represents a clear view of reality.
* A mirror vs. a window: A mirror represents a reflection of reality, while a window represents a clear view of reality.