From the mystical experiences of religious visions to the most degenerate forms of violence and pornography, the image, be it perceptual or conceptual, has imposed itself as a powerful form of human expression. The evocative, emotional and communicative power of images has been at the centre of a complex, often conflictual relationship in different societies, between exterior and internal forms of representation. Western history has passed alternately through periods of iconophilia and iconophobia, while various cultures have accorded different significance to (...) the capacity of vision to express and reinforce both the ideological and the political sphere. Referring to various examples, the article suggests that the pervasive presence of vision, far from being a self-evident, given element, is at the core of a problematic work of interpretation within the cultural contexts of societies. What appears to the eye can be considered the mirror of true reality or, alternatively, an ambiguous and superficial representation of it, in a dialectic confrontation between the iconic and the mental. (shrink)