blind spot
noun
Definitions
The place where the optic nerve attaches to the retina, and so where the retina cannot detect light.
In driving, the part of the road that cannot be seen in the rear-view mirror.
Example: When he changed lanes, he sideswiped a car that was in his blind spot.
In a stadium or auditorium, any location affording those seated or standing there only an obstructed visual or auditory experience.
Example: Our seats turned out to be in a blind spot behind a pillar blocking our view on the stage.
An inability to recognize a fact or think clearly about a certain topic, especially because of a prejudice.
Example: He loves her so much that he has a blind spot when it comes to her faults.