A pipetting syringe-controlled, vinyl eye cannula is reported for use in aspiration or microinfusion of the anterior chamber. Techniques of local anesthesia, limbal puncture, sample recovery, and drug infusion are described. Self-sealing puncture of the animal limbus by needles that are coated with acetic acid ointment is also discussed.
O'Rourke J, Shafi I, Benson C. Eye Cannula and Procedure for Controlled Microinfusion or Aspiration of the Anterior Chamber. Arch Ophthalmol. 1973;90(2):125-126. doi:10.1001/archopht.1973.01000050127011