The present invention relates to an aid system (1) for visually impaired or blind people comprising - a first tag (2, 20) positionable on an object provided with at least one first receiver/ transmitter (21) intended to receive at least one interrogation and to transmit at least one data signal containing at least one identification code of said first tag, - a user interface device (5) which is: provided with at least interface means (51) for users suffering from visual disabilities and associated to a second tag (6) provided with at least one second receiver/ transmitter (61) intended to transmit a data signal containing at least one identification code of the user interface device and to receive a data signal the system further comprises a local receiver (3) intended to detect at least one three-dimensional space location of said first tag (2,20) and second tag (6), and a control unit (4) provided with receiving/ transmitting means intended to be put in communication with said local receiver (3) and provided with at least storage means for storing the data, wherein at least a part of the data signal transmitted: from the tag (2, 20, 6) to the receiver (3) contains at least said identification code, from the local receiver (3) to said control unit (4) contains at least said identification code and data about a three- dimensional space location of said tag (2, 20, 6), from the control unit (4) to the user interface device (5) contains data about the three-dimensional space location of said first tag (2, 20), and data about the identification code of said tag (2, 20) the invention further relates to a method for the operation of said system.La présente invention concerne un système daide (1) pour personnes malvoyantes ou aveugles comportant : une première étiquette (2, 20) apte à être positionnée sur un objet équipé dau moins un premier récepteur/émetteur (21) agencé pour recevoir au moins une interrogation et pour transmettre au moins un signal de données contenant
