An irrational, or abnormal fixation or preoccupation; an obsession.
Sexual attraction to or arousal at something abnormally sexual or nonsexual, such as an object or a nonsexual part of the body.
Something which is believed to possess, contain, or cause spiritual or magical powers; an amulet or a talisman.
The tendency to focus one's attention on one specific idea or viewpoint, to the exclusion of everything else.
A restricted field of vision as the result of looking through some type of object or a medical condition.