In a medical network system, the tone of an image displayed on a commonly-used image display apparatus becomes a desired tone corresponding to the type of an image outputting apparatus. The -A- recurring units comprise pendant aromatic sulfonic acid oxime ester groups that are capable of providing pendant aromatic sulfonic acid groups upon irradiation with radiation having a \u03bbmax of at least 150 nm and up to and including 450 nm. The haptic object may be modified in response to application of a force against the haptic object by a user of the haptic device pushing the haptic device against the haptic object.