In the article the three main metaphysical theories of individual objects (the bare substratum theory, the bundle theory and the substratum theory) are interpreted as the models of visual objects. These models are tested according to the empirical data. The first part of the article discusses methodological issues concerning the procedure in which thesis of the metaphysical theories gain the empirical content. In the second part the models based on the metaphysical theories are tested according to the selected psychological data connected with detection, categorization and reidentification of visual objects. As the result of the testing the hypothesis is stated, saying that the models based on the different metaphysical theories are the proper models of the visual objects present on the different stages of the perceptual process.