A surgical infusion device (100, 100', 100", 150, 150A, 150B, 150C) for bimanual ophthalmic surgery for the back of an eye, the surgical infusion device comprising: a cannula (120, 120', 170, 170', 170") having an infusion channel (122, 172, 172', 172") therethrough, the infusion channel (122, 172, 172', 172") having an inside diameter (d1), the cannula (120, 120', 170, 170', 170") having an outside diameter (d2) greater than the inside diameter (d1); and an optical fiber (110, 160, 160', 160", 160′′′, 190, 190', 190") coupled with the cannula (120, 120', 170, 170', 170"), wherein the optical fiber (110, 160, 160', 160", 160′′′, 190, 190', 190") has an optical fiber diameter (t) of at least thirty micrometers and less than one hundred micrometers; wherein at least a portion of the optical fiber (110, 160, 160', 160", 160′′′, 190, 190', 190") coupled with the cannula (120, 120', 170, 170', 170") is within the infusion channel (122, 172, 172', 172"), wherein at least the portion of the optical fiber (110, 160, 160', 160", 160′′′, 190, 190', 190") within the infusion channel (122, 172, 172', 172") is in contact with infusion fluid flowing through the cannula (120, 120', 170, 170', 170"), characterized in that the surgical infusion device (100, 100', 100", 150, 150A, 150B, 150C) further comprises: a hub , the optical fiber (110, 160, 160', 160", 160′′′, 190, 190', 190") being positioned in the infusion channel (122, 172, 172', 172") by the hub , the hub further including a plurality of members extending substantially radially from the hub and contacting an inside surface of the cannula (120, 120', 170, 170', 170"), wherein the plurality of members are flexible. a cannula (120, 120', 170, 170', 170") having an infusion channel (122, 172, 172', 172") therethrough, the infusion channel (122, 172, 172', 172") having an inside diameter (d1), the cannula (120, 120', 170, 170', 170") having an outside diameter (d2) greater than the inside diameter (d1); and an optical fiber (110, 160, 160', 160", 160′′′, 190, 190', 190") coupled with the cannula (120, 120', 170, 170', 170"), wherein the optical fiber (110, 160, 160', 160", 160′′′, 190, 190', 190") has an optical fiber diameter (t) of at least thirty micrometers and less than one hundred micrometers; wherein at least a portion of the optical fiber (110, 160, 160', 160", 160′′′, 190, 190', 190") coupled with the cannula (120, 120', 170, 170', 170") is within the infusion channel (122, 172, 172', 172"), wherein at least the portion of the optical fiber (110, 160, 160', 160", 160′′′, 190, 190', 190") within the infusion channel (122, 172, 172', 172") is in contact with infusion fluid flowing through the cannula (120, 120', 170, 170', 170"), characterized in that the surgical infusion device (100, 100', 100", 150, 150A, 150B, 150C) further comprises: a hub , the optical fiber (110, 160, 160', 160", 160′′′, 190, 190', 190") being positioned in the infusion channel (122, 172, 172', 172") by the hub , the hub further including a plurality of members extending substantially radially from the hub and contacting an inside surface of the cannula (120, 120', 170, 170', 170"), wherein the plurality of members are flexible. <EOS>