Enhanced vision is the ability to perceive objects outside of the generally accepted optimal range of standard human vision. There are different forms enhanced vision may take ranging from telescopic vision, microscopic vision, night vision and X-ray vision.
The DC Comics superhero Superman is not above using enhanced vision to see what color panties Lois Lane is wearing. By and large however, he used it to track down despicable nay-sayers such as the Legion of Doom, exposing them in all of their hiding places.
The character of Steve Austin from The Six Million Dollar Man lost his right eye in an aircraft crash landing (among other body parts). During his rehabilitation, he was fitted with a bionic eye that had a greater range and clarity than the human eye. This enabled Steve to see long distances as well as aided in targeting and accuracy.
- Gilligan's Island: Pass the Vegetables, Please: Mary Ann temporarily gains eagle-eye vision after eating some radioactive carrots. She can accurately describe the people on the deck of a yacht several miles away.