A person who's eyes seems to contain no life, like that of a dead fish. This can be a person's natural look, but it can also be found on people suffering from shell shock. Also known as the "Thousand Yard Stare."
Sebastion- "People keep telling me that I have eyes like a dead fish Q."
Q- "You'd better start wearing shades then, man. Those eyes really do look dead when you look at them up close."
When a person refuses to see something in plain view because of preconceived notions of what this something should look like. This frequently happens to naïve people.
In the movie of the same name, the title refers to sexuality, specifically to female sexuality, and a refusal of the protagonist to see that women can have both sexual fantasies (besides her primary partner) and substantial sex drive.
Conservatives and Liberals talk and look at one another with their eyes wide shut.