“…Several techniques for measurement of the aqueous humor inflow in human eyes have been described (Goldmann 1950, Grant 1950, Langley & MacDonald 1952, Rosengren 1956, Sobanski, Swietliczko & Szosland 1957, Jones & Maurice 1966, Holm 1968). I n clinical practice, however, only tonography and perilimbal suction cup test are employed.…”