Ocular echography method using an ultrasound probe comprising a plurality of transducer elements organized in at least n concentric rings forming n transducer rings (2, 2a, 2b, 2c, 2d, 2e), in which the transducer rings are grouped into several ring groups each grouping between 1 and n-1 transducer rings, each ring group differing from another transducer ring group by at least one transducer ring different from the transducer rings of said other transducer ring group, the ring groups being k in number, the method comprising the following steps: a) for each cycle (100, 110, 200, 210, 300, 310) of a plurality of cycles each comprising k transmit-receive iterations (101, 102, 103, 104, 105, 111, 112, 113, 201, 202, 203, 211, 212, 213, 301, 302, 311, 312), each transmit-receive iteration involving a different group of transducer rings, each cycle traversing all k groups of transducer rings, during each transmit-receive iteration of said cycle: - a1) excitation of a group of transducer rings so that the transducer rings of said group of transducer rings emit ultrasonic waves at an emission frequency - a2) recovery of n measurement signals from the n transducer rings, each measurement signal resulting from the reception by a transducer ring of reflected ultrasonic waves resulting from the transmission of ultrasonic waves by said group of transducer rings excited during said transmission-reception iteration; - a3) combination of the n measurement signals recovered to give an echographic line for said transmit-receive iteration, said echographic line being representative of the response of the n transducer rings to the emission of ultrasonic waves by said group of ultrasonic rings excited during said transmit-receive iteration; b) simultaneously to the continuation of the cycles following the first cycle, combination (106, 107, 108, 204, 205, 206, 303, 304, 305) into a displayable line of k ultrasound lines resulting from the k most recent transmit-receive iterations when said ultrasound lines are available; c) processing and display of displayable lines. a) for each cycle (100, 110, 200, 210, 300, 310) of a plurality of cycles each comprising k transmit-receive iterations (101, 102, 103, 104, 105, 111, 112, 113, 201, 202, 203, 211, 212, 213, 301, 302, 311, 312), each transmit-receive iteration involving a different group of transducer rings, each cycle traversing all k groups of transducer rings, during each transmit-receive iteration of said cycle: - a1) excitation of a group of transducer rings so that the transducer rings of said group of transducer rings emit ultrasonic waves at an emission frequency - a2) recovery of n measurement signals from the n transducer rings, each measurement signal resulting from the reception by a transducer ring of reflected ultrasonic waves resulting from the transmission of ultrasonic waves by said group of transducer rings excited during said transmission-reception iteration; - a3) combination of the n measurement signals recovered to give an echographic line for said transmit-receive iteration, said echographic line being representative of the response of the n transducer rings to the emission of ultrasonic waves by said group of ultrasonic rings excited during said transmit-receive iteration; - a1) excitation of a group of transducer rings so that the transducer rings of said group of transducer rings emit ultrasonic waves at an emission frequency - a2) recovery of n measurement signals from the n transducer rings, each measurement signal resulting from the reception by a transducer ring of reflected ultrasonic waves resulting from the transmission of ultrasonic waves by said group of transducer rings excited during said transmission-reception iteration; - a3) combination of the n measurement signals recovered to give an echographic line for said transmit-receive iteration, said echographic line being representative of the response of the n transducer rings to the emission of ultrasonic waves by said group of ultrasonic rings excited during said transmit-receive iteration; b) simultaneously to the continuation of the cycles following the first cycle, combination (106, 107, 108, 204, 205, 206, 303, 304, 305) into a displayable line of k ultrasound lines resulting from the k most recent transmit-receive iterations when said ultrasound lines are available; c) processing and display of displayable lines.